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Announcing our new reach algorithm

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This post was written by Union Metrics CEO and Founder Hayes Davis. 

We started TweetReach in 2009 with a simple idea: to provide a simple report that showed people the reach of tweets about any topic. Since that time, we’ve grown far beyond that simple reach report and added comprehensive tracking, as well as many other metrics and insights. But reach is still something we care a great deal about, so I wanted to tell you about some changes we’re making to the algorithm we use to calculate reach.

This is a long post, so here’s the executive summary:

  • We’ve built a new and extremely robust model for calculating reach that will replace our current algorithm.
  • Historical reach data won’t change, and newly calculated reach will change only slightly in most cases relative to historical trends.
  • This new algorithm allows us to increase our data limits across all TweetReach Pro plans.
  • These changes go into effect next week.

For those of you who are interested in learning more about how we built our new algorithm, read on.

Setting the stage

Reach is a complex metric with many definitions across vendors and industries, so let me explain how we think about reach on Twitter. For us, reach is the total number of unique Twitter accounts that received at least one tweet about a topic in some period. Knowing this helps you understand how broadly your message is being distributed on Twitter.

For most of our existence we’ve measured reach by using Twitter’s API to determine the actual Twitter IDs of users who received tweets about a topic. From that copious raw data, we then applied a dose of math and lots of computational horsepower to derive our reach measurement. While this brute force method produces a very reasonable estimate for reach, it has some serious drawbacks in terms of meeting the needs of our customers. It slows down our reporting for customers pulling data on ad-hoc periods and – while our data limits are generous relative to our competitors – it meant we had to place stricter data limits than we wanted on our TweetReach Pro plans.

In addition to these increasingly frustrating drawbacks, Twitter has announced a major set of technical changes to their API. Included in those changes are additional restrictions on the API calls we make to determine the raw data we use in our reach calculation. So instead of working around those API limits and continuing with our brute force approach, we decided it was time to get smarter.

Investigating the data

At TweetReach, one thing we have is data – lots and lots of data. This means that we have an extraordinarily large archive of information about how campaigns work on Twitter, which goes back years and is unique to us. From these data and our experience, we know that the reach of a Twitter campaign is essentially a function of the number of unique contributors (users tweeting), how large their follower bases are, and the overall number of tweets. The question is: What are the mathematical parameters of that function?

We started our investigation by looking at what we call the “potential reach” of any conversation on Twitter. This is the maximum possible reach of any conversation if all people who tweet about a topic have no followers in common.  While it provides an upper bound on reach, it’s obviously flawed; the assumption that no one has followers in common just doesn’t make common sense. It is, however, a good starting point, so we put it in a scatter plot to at least see if there was a relationship between potential reach and actual reach:

reach_vs_potential_reach_raw

The way this graph turns upward at the end shows us there’s not a clear linear relationship in this data, but there might be if we plotted this on a log-log graph.

reach_vs_potential_reach_log_log

There is a nice positive linear correlation after all. However, there are also some pretty absurd numbers. In fact, some of those “up and to the right” data points in the first graph show a potential reach above 2 billion (nearly 30% of the world’s population and more than 8x Twitter’s 250 million monthly active users). As it turns out, this is what many in our industry call “reach”. But we knew we could do better.

Enter statistics

Armed with the notion that potential reach had some value, we set out to combine that with other data to build an algorithm that could predict reach. We experimented with many different approaches that we applied to tens of thousands of data points derived from real Twitter campaigns. And after many iterations, we’ve developed an extremely robust model that explains 99.51% of the variance in reach on a Twitter campaign.

Below is another scatter plot (with a trendline) that shows our reach prediction model applied to a test data set.

reach_vs_predicted_reach

The data have a nearly 1:1 positive linear correlation, and there are no crazy outliers. This means we can predict an accurate reach with an extremely high degree of confidence without having to resort to brute-force methods.

What does this mean for our customers?

For the vast majority of our customers there will be very little noticeable impact to reach. Most of you won’t see any change at all. But a few of you will see some small changes. We will not be altering our reach calculations for historical periods, so some of you may notice your future reach increase or decrease slightly when compared to historical levels. And since no model is absolutely perfect, a small set of customers may see somewhat larger increases in reach for certain campaigns. If you have any questions at all about a change in your reach, don’t hesitate to contact our support team and we’ll be happy to take a look!

But best of all, these changes bring some significant benefits to our TweetReach Pro subscribers. The first benefit is that viewing ad-hoc periods within a TweetReach Tracker will now be much faster than before. The second, much more exciting benefit, is that we’re now able to increase our data limits for TweetReach Pro plans.

TweetReach Pro tweet volume limits

We’ll be rolling these changes out next week and we’ll be communicating with you along the way. We’re extremely excited to share the results of this work with you – our customers! If you have any questions, please let us know.

Written by Hayes D

February 28th, 2013 at 3:43 pm

Posted in News

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Your in America: Overnight Twitter sensation teaches grammar and Twitter reach

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The latest Twitter account to enchant us all, seemingly overnight, is bringing delight to grammar enthusiasts everywhere: “Your In America Bot” (@YourInAmerica) swoops in on unsuspecting offenders of the English language, who are, entertainingly, mostly trying to shame others for not speaking English.

Created on November 23rd, @YourinAmerica counted just under 15k followers only five days later, with an output of fewer than 100 tweets.

How is that possible? Let’s look at the reach of the single tweet above.

Not bad. But let’s understand how almost 250,000 accounts were reached, when this account has only a fraction of that number of followers, even at the rate it has grown.

Here’s the activity breakdown for the tweet:

So actually 241 separate Twitter accounts contributed to the exposure of this one tweet, mostly by picking it up and retweeting it: 219 retweets, 12 replies, and 18 other tweets were made. On the day this tweet was published, the account had about 8,000 followers, meaning just about 3% of the follower base was able to lead to this much exposure on a single tweet.

And here’s where it really gets interesting: looking at who is doing the retweeting. @SarahSpain, ESPN1000 host, has a lot more followers than @YourinAmerica and her retweet of the original tweet is actually what generated the most exposure.

In this way, TweetReach helps you figure out who the major influencer is in the reach of this particular tweet, in way that would be much more difficult and time-consuming to figure out manually.

This gives you an idea of whom to cultivate relationships with on Twitter. If you see that one account with a lot of influence (be that a large audience or simply highly engaged followers) consistently interacts with you and/or retweets your content, you know they like what you have to say and are helping you grow your own audience.

For example, the second most retweeted tweet only had 7 retweets – compared to the original, unaltered tweet’s 207- but this is still important to note because it indicates that @alysonfooter has an engaged audience of her own. (Note that these numbers reflect the two messages that were retweeted the most– the original and one with the original message plus commentary. More retweets were also made with different commentary added to the original, which altogether add up to the total number of retweets made: 219.)

Perhaps the most interesting takeaway from @YourInAmerica, however, will be if anyone really does learn a grammar lesson. So far most of the victims seem to have deleted the offending tweet in question after falling victim to @YourInAmerica.

Written by Sarah

November 28th, 2012 at 3:28 pm

5 essential & easy social media metrics you should be measuring right now

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This post by Union Metrics Co-Founder Jenn Deering Davis originally appeared on the KISSmetrics Blog on April 2, 2012.

So your company is now officially participating in social media. You’ve set up a Twitter account, a Facebook page, even a few Pinterest boards. You respond to customer questions, follow fans, post important news, and thank your advocates for their support.

Beyond that, what are you doing to track and monitor these social interactions? If you’re engaging in social media, then you should be measuring those activities. How else will you know how you’re doing? The good news is it’s easier than you think to measure your social media efforts.

Here are five simple, but oh-so-useful social media metrics you should be measuring right now.

1. Volume

The first – and easiest – social media metric to measure is volume. What is the size of the conversation about your brand or your campaign? Volume is a great initial indicator of interest. People tend to talk about things they either love or hate, but they rarely talk about things they simply don’t care about at all.

While volume can seem like a simple counting metric, there’s more to it than just counting tweets and wall posts. It’s important to measure the number of messages about your brand, as well as the number of people talking about your brand, and track how both of those numbers change over time. For example, Facebook Insights has a useful metric (cleverly called “people talking about this”) that measures how many unique people have posted something to their walls about your brand page.

Learn when volume is higher – are there days or times when more people seem to be talking about your brand? You can use this information to focus more of your own posts during these times to get more engagement, which we’ll talk about in a minute.

2. Reach

Reach measures the spread of a social media conversation. On its own, reach can help you understand the context for your content. How far is your content disseminating and how big is the audience for your message? Reach is a measure of potential audience size.

And of course, a large audience is good, but reach alone does not tell you everything. Reach becomes very powerful when compared to other engagement metrics. Use reach as the denominator in your social media measurement equations.

Pick important action or engagement numbers like clicks, retweets, or replies (more on this in a second) and divide them by reach to calculate an engagement percentage. Of the possible audience for your campaign, how many people participated? Reach helps contextualize other engagement metrics.

3. Engagement

Speaking of engagement metrics, this is one of the most important areas to measure in social media. How are people participating in the conversation about your brand? What are they doing to spread your content and engage with the topic?

In most social media settings, content can be both shared and replied to. Twitter retweets (RTs) and Facebook shares and posts are helpful to know who is spreading your content, while comments, replies and likes are helpful to see who is replying to your content. Think carefully about your goals with social media. Are you focused more on generating interaction (replies, comments) or on spreading a message (retweets and posts)? Be sure you’re using metrics that reflect what’s important to your brand right now.

And are there types of content that generate engagement? Start paying attention to what messages generate the most replies and RTs. It might surprise you what people interact with; it’s not always what you expect.

4. Influence

Who is talking about your brand and what kind of impact do they have? Influence is probably the most controversial social media metric; there are myriad tools that measure social influence, and they all do it in different ways. But one thing they all agree on is that audience size does not necessarily relate to influence. Just because someone has a lot of friends or followers, that does not mean they can encourage those followers to actually do anything.

Based on past actions, we can make assumptions about how influential someone might be in the future. This type of potential influence is useful to decide who to reach out to when you’re preparing for a campaign. Tools like Klout and PeerIndex assign people an influence score. Tools like these measure online social capital and the (potential) ability to influence others.

Kinetic influence, on the other hand, will help you understand who is participating in and driving conversation about your brand and your campaigns, and who gets others to participate in these specific conversations. You can find your brand advocates by focusing on people whose messages are amplified by others, and not just who has the most followers.

5. Share of Voice

Finally, to really understand how well you’re doing on social media, you should consider a share of voice metric. How does the conversation about your brand compare to conversations about your competitors? Determine what percentage of the overall conversation about your industry is focused on your brand compared to your main competitors. And learn from your competitors’ successes; since so many of these social media conversations are public, you can measure your competitors’ impact just as easily as you can measure your own.

Consistency and preparation are essential to effective social media measurement. Pick your favorite metrics and start tracking them now. Use the same formulas and tools to calculate these numbers every week or month. Track your numbers over time and pay attention to how they change. If you see anything that looks higher or lower than what you typically expect, investigate it. By measuring – and paying attention to – these five social media metrics, you’ll be able to better understand the impact and effectiveness of your social media activity.

Interested in learning more about TweetReach? Take a look at our website or contact our sales team for more.

Written by Dean Cruse

April 26th, 2012 at 11:05 am

TakeFive with TweetReach – Laura Beck

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Welcome back to TakeFive with TweetReach, our ongoing interview series with notable members of the social media analytics and measurement community. This week we’re delighted to welcome Laura Beck, Founder of stripedshirt.com and a 20-year PR professional, where she has consistently focused her energy on helping create awareness and buzz for early stage technology companies.

TweetReach: Welcome Laura! Let’s start with talking about how you got started using social media. Can you describe you first “ah-ha” moment?

Laura Beck: I’ve been on LinkedIn since mid-2008, and always have and continue to think of that as more my online rolodex; my contacts database. But, I got hooked on Facebook early, and hard, and it’s been consistent. I joined a year prior, in mid-2007 more for personal networking, keeping in touch with friends, planning high school and college reunions, seeing regular snapshots of the lives of the people I care about. But, my ah-ha moment on social media, I guess, was CES (the Consumer Electronics Show) in January 2009, when my hand was forced to join Twitter: some press friends were scolding me for not being on yet and threatened to make @fakelaurabeck and tweet away. I had to defend my Twitter turf, get my handle, and start to participate. And, while scary at first, holy cow to a fantastic way to engage with people in quick, direct ways.

TweetReach: How important was measurement in your initial strategy and how has that evolved?

Laura Beck: Initially, Twitter was play time and wasn’t about measurement at all. It was a science experiment — to see if you could reach someone, if they’d respond, if people would pass on something you tweeted. That quickly has evolved to Twitter being as critical and legit a communications channel and an information channel as blogs, online publications, even print publications. So along those lines, when you are doing public relations these days — for a client or for yourself — you best know the impact of every hit, every mention. That includes Twitter, blogs, even LinkedIn, Facebook, YouTube, Flickr — IF you could measure all these, and figure out the impact, the reach.

TweetReach: Let’s talk about consistency in measurement. Agencies and marketers have had to use a variety of tools and metrics to analyze the performance of their social media efforts, resulting in inconsistent results. How important is the ability to measure and report on social media results in a consistent way to you and your clients?

Laura Beck: Holy cow, it’s the holy grail. Even being able to measure and report at all with some sort of metrics, even if inconsistent, not apples to apples. Anything at all is something. We’ve been talking about this for years — and now it’s 20 years later. We’ve never been able to crack the code, get beyond “ad equivalency” or circulation as a basis for value, for the worth of a hit or a mention. And those approaches have been archaic for print publications for years, let alone online outlets, let alone blogs, let alone a tweet. This is the holy grail, but no one’s found the cup yet.

TweetReach: Olivier Blanchard and others have written about the need to look at social media measurement in the context of a broader business measurement strategy. What do you think? Is measuring social media success useful by itself?

Laura Beck: For the past 2-3 years, I’ve considered all things social media “just another channel.” Seriously. My business always, ultimately is PUBLIC relations. Not press. It’s about reaching and influencing the publics, a company’s targets (whether customers, or partners, investors, employees, etc.) positively, and moving them to action. A blog post, a tweet, a Facebook update, a YouTube video — any of these may do the trick. They are another channel to positively reach a target. Therefore, all things social better be part of the whole marketing mix. And therefore, all things social should be measured, considered, and factored in along with all business measurement. Something social may just directly create a sale, and you can be darn sure all things social indirectly affect sales, awareness, perception of a company, a brand, an individual — positively or negatively.

TweetReach: Traditionally media success has been measured using reach, impressions, exposure. How important are these metrics when looking at social media campaigns? What else to you need to measure?

Laura Beck: I think these measures are just as important in social as in any marketing campaign. But again, holy heck are they hard to measure, quantify, and value. Overall impact is still both a volume and a value game, and hopefully we are getting to a world where it’s the value that matters -– reaching the right people, versus thousands of people where you hope something sticks with a few. So while sheer reach and overall exposure are important — blog readership, twitter followers, how many times something was retweeted — again, with social, where you can be laser-precise, I’m hoping we are getting to a place where the measure of success of a marketing campaign could be clearly tracked down to who was reached and what action they took. Literally, really measuring “conversions” versus just impressions. Whereas PR has almost always been air cover for sales, with social, we have the opportunity to be the ground team, too.

TweetReach: Let’s talk about the measurement of reach – how do you weigh the importance of the quantity of a campaign’s reach – the overall size of the potential audience – vs the quality of that reach? Both are important, but how do you help your clients understand the difference and the impact?

Laura Beck: This is what I’m getting at above, a bit. And my personal theory, at least in Twitter, is that ideally a brand wants to find, mine and engage on an ongoing basis with 100 true fans. Period. If you can find the right people with the right power of influence, and mine them (get to know them, get them to know and care about your brand), and then engage with them on an ongoing basis, have real conversations — boom — you have success. They are brand advocates, they pass on their love for your brand to their networks, and it’s genuine, and pure, and “third party.” This is what I think the future of social COULD be, and wow, would it be more valuable, time efficient, respectful to all and end a lot of the echo chamber stuff we have flying around right now with just volumes and volumes of information and the same content recycled. But, we have to all work together to prove it out, and have some case studies and examples of it working. THAT will help companies believe and take on this approach as well.

TweetReach: Thanks for your thoughts and time, Laura!

After 18+ years working for PR agencies, Laura Beck is focused on independent marketing and PR consulting as well as running her own commerce business, www.stripedshirt.com. Until May 2010, she ran the Austin Texas office of Porter Novelli for nearly 10 years, opening it at the very end of the dot com bubble in 2000 at 29 years old. Under Laura’s leadership, the office grew to staff 16 people and serviced upwards to 25 clients at a time. Laura’s focus for the office and personal passion has been largely technology start ups, working with entrepreneurs to bring their dreams to life, gain critical visibility, create positive buzz. That continues now as an independent consultant.

Laura’s expertise — and love — lies in client counsel, project management, strategic program development, media relations and staff development. Laura prides herself with being active on the press front lines every day and loves nothing better than successfully placing a good story, which she still does regularly, all the way up the line to New York Times profiles, and Wall Street Journal reviews. In fact, Laura was named one of PR Source’s 35 Top Tech Communicators of 2008, as so voted by the media.

Prior to her 10+ years with Porter Novelli in Austin, she was with the Boston office of the agency. Before that, Laura was with Lois Paul & Partners. She began the 18-year agency stretch at Weber Group, now Weber Shandwick. Laura is a decade-long Austin Texas resident now, but her Boston roots will always run deep with love for her Boston College alma mater, and the Red Sox, so much so that one of her two little Texas-born daughters sports the middle name Fenway. You can bet all these Boston colors, and many more, are represented by stripedshirt.

Written by Dean Cruse

July 28th, 2011 at 10:29 am

What is reach and why does it matter?

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We often get asked about reach. How is reach calculated? Why reach? How can you really know how many people were reached? These are great questions and a big part of our business – we even named our product after it! At TweetReach, we think reach is one of the most important, but also one of the most misunderstood, metrics in social media. Our reach metric calculates the size of the potential audience for a message and this metric is an essential measure for any earned media campaign.

How TweetReach calculates reach

First, let’s talk a little bit about what we mean by “reach” and specifically how we calculate reach at TweetReach.

Typically, reach refers to the capacity or range of something. In the case of earned and social media, reach is the size of the potential audience for a message. What is the maximum number of people who could have been exposed to a message? In newspapers and magazines, reach is measured through circulation numbers. In television, we use Nielsen ratings to understand a TV program’s reach. For social media, we have TweetReach.

So when you run a TweetReach report, the reach number in your report reflects the size of the Twitter audience for your search query. Our reach number is a count of the unique Twitter accounts that received a tweet about your topic. It’s an actual computation of unique Twitter IDs, with duplicate recipients removed. Our reach metric is not an approximation or estimated ballpark figure, nor is it total impressions or exposure; it’s the real size of the potential audience.

Why reach matters

So, why go through all the trouble of calculating reach? Why does it matter? Because reach helps you understand the full impact of your tweets. Reach provides context for other engagement metrics. Reach quantifies the size of your message’s universe and helps you understand if your campaign is successful.

Think of reach as the denominator in your measurement equations. Use reach with action or engagement numbers like clicks, retweets, or replies to calculate an engagement percentage. Of the possible audience for your campaign, how many people participated? Reach helps contextualize other engagement metrics.

Other reach resources

Obviously, this is something we think about a lot. If you’d like to hear more, we have a few ideas about how you should use reach to contextualize and interpret your campaign’s success. We’ve also written about the relationship between reach and overall impressions. Finally, here’s more detail about how we calculate reach, exposure and other metrics. So, what’s your TweetReach?

Written by Jenn D

July 19th, 2011 at 1:18 pm

Posted in Guides

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Reach isn’t influence. Keep your umbrella handy.

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Recently, we read an interesting blog post from Tom Webster about the limits of online influence as he asked for help supporting the people of Christchurch, New Zealand after the terrible earthquake they experienced. (A very worthy cause. Please help him out!)

He makes a lot of great points in this post about the weaknesses of influencer campaigns on social media like Twitter. While TweetReach doesn’t calculate influence, a number of people use our tools to help determine influence and influencers, so naturally this post grabbed our attention (and he quoted some TweetReach numbers in the post, so that helps too).  In general, we agree with Tom’s overall premise – influence is a messy, complicated concept, and far from being fully understood or properly utilized.

Matt Ridings of Techguerilla added this comment to Tom’s post:

I think what you *are* exposing is that in a medium like Twitter, simple reach has very little to do with success. And that is a big thing for people to know indeed.

We absolutely agree. Now, of course everyone wants large numbers for reach or exposure, but they have to be put into context along with action metrics like clicks or actual transactions. Our reach metric, which is the number of unique Twitter accounts that tweets about a topic were delivered to, is a measure of the size of your potential audience. A high reach means a large audience, but it doesn’t guarantee that members of that audience will actually do what they’re asked.

So what is reach good for? We think reach is the universal denominator. It belongs in an equation to normalize other metrics. If reach is the size of your potential audience, how many people actually acted on a tweet? Divide your action metric by that reach. Depending on your goals, that action number could be anything from retweets to clicks to purchases on your website. With reach as a denominator, you can use this number across campaigns and time periods to start to really understand your effectiveness. Without reach to normalize these metrics, you’re flying blind. Clicks were up 20% this week? Great! But is your campaign actually improving if your reach increased by 50%?

Where does this leave influence? Right now the familiar influence metrics essentially work by saying that someone has influenced people to do some social activities in the past and therefore could potentially influence people to do them again. This “potential influence” is a little like predicting the weather by assuming it’ll do the same thing today that it did yesterday. It’s often right, but you frequently end up soaked without an umbrella. The point here is that a message from an “influencer” as part of your campaign is no guarantee that you’ll get results. Your message may not resonate with his or her audience, Twitter might be failwhaling, or it might just be a pretty day and everyone’s outside.

Successful campaigns are about reaching the right audience with the right message at the right time. Those are all difficult things to do but there are a couple approaches that can help. First, you can’t rely solely on algorithms – learn your industry and the true influencers (as humans understand the concept). Develop relationships with them and they’ll help you spread the word. Second, measure, measure, measure. This is where reach and other metrics can truly help because they give you a baseline to measure performance over time so you can try new things and learn from your mistakes. In the end combining these ingredients will help you succeed.

Photo credit: Running through the storm by yooperann

Written by Hayes D

March 1st, 2011 at 1:49 pm

Posted in Guides

Tagged with ,

What’s your reach:exposure ratio?

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No matter the size of your TweetReach report, the report’s reach to exposure ratio (R:E) can tell you a lot about the impact of your tweets. Whether you’ve measured 50 tweets or 50,000 tweets, you can use the ratio of reach to exposure to understand something about how those tweets have spread.

The reach:exposure ratio* represents the depth of penetration of tweets about a topic. A lower R:E suggests that people are seeing tweets about a topic over and over, while higher R:E numbers suggest broad but shallow penetration of that topic. However, a higher R:E does not always indicate success. Depending on the type of tweets you’re measuring and your goals with those tweets, bigger is not always better.

Low R:E = 0.0-0.19

A low reach:exposure number (anything 0.19 or lower) suggests a large percentage of contributors are tweeting multiple times about the hashtag or keyword you’ve measured, which means the message is limited in scope and is not spreading far beyond those people’s followers. A number of people are receiving many tweets about this term.

Low ratios are fine in many cases, however. For example, regional issues and local news events, conferences, and Twitter chats, parties and contests are likely to fall in this range. And that’s perfectly reasonable for these types of events; they’re relevant to a smaller or localized audience and that’s who will see it.

If you’re aiming for a larger or more diverse audience, then start thinking of ways to get tweets about your topic out to a wider audience. What can you do to encourage more (and different) people to tweet? You should also be concerned if your R:E ratio is below 0.05. That suggests that someone is tweeting a lot about your keyword, to the point of being spammy.

Average R:E = 0.2-0.59

An moderate or normal ratio will be anywhere between 0.2 and 0.59. This suggests a normal distribution of tweets, retweets, and amplification. In this case, some people are tweeting multiple times, some influencers are tweeting to lots of followers, and most people are tweeting once or twice to their smaller set of followers. Most people will receive 2-5 tweets about your message.

Many general brand mentions and large product launches or announcements (Verizon iPhone, Chevy Volt) will fall in this range. Larger media events with a wide, popular appeal (like the Academy Awards and Super Bowl) will fall in this range, as well.

High R:E = 0.6-0.99

The closer this reach:exposure number gets to 1, the more different contributors are represented in this report. Ratios of 0.6 or higher indicate that a wide variety of different people are tweeting to a number of diverse followers, spreading the message far and wide. Most people are not seeing more than one or two tweets about the hashtag or keyword. This is ideal if you want a large amplification of your message.

Twitter trends and popular hashtag memes (#LessAmbitiousMovies, #FollowFriday), significant national or international news events, and very big-name products and brands will fall in this range.

Depending on how many contributors and tweets you measured, high ratios could be somewhat misleading. If your report includes just a few hundred tweets and you have a R:E ratio of 0.8, then one or two people with large followings can account for a great deal of this ratio. The smaller the dataset, the larger the impact a few people can have on the R:E ratio.

You should also be concerned if this number is higher than 0.85 or so (which is incredibly rare). This indicates that most people only received one tweet about this message, which might not bode well for retention. How likely are people to remember something if they only read about it once? And if only one tweet about a topic is delivered to a person’s Twitter client, it’s very possible that person did not even see it at all.

*To calculate the reach:exposure ratio, the formula is reach divided by exposure. You should get a number between 0 and 1 (if it’s higher than 1, then you probably used exposure divided by reach). For example, a recent report reached 147,425 people and had an exposure of 763,506 impressions. The R:E ratio is 147,425 / 763,506 = 0.19.

Note: We’ve written up a comprehensive set of full report benchmarks if you want more info about other metrics besides R:E.

Photo credit: Loud Speaker by paparatti.

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Interested in learning more about TweetReach? Take a look at our website or contact our sales team for more.

Written by admin

January 21st, 2011 at 4:50 pm

Posted in Guides

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Understanding Twitter Reach vs. Exposure with TweetReach

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TweetReach reports provide a number of metrics to help you measure the success of your Twitter messaging. However, the two most important metrics are reach and exposure. We often get questions about how we calculate these metrics and what they mean. We thought it would be a good idea to write an brief explanation here on the blog. If you need more detailed insight into your TweetReach report, check out our Twitter reach user guide at the Help Desk.

Calculating Reach and Exposure

Reach is the total number of unique Twitter users that received tweets about the search term. Exposure is the total number of times tweets about the search term were received by users. We call each receipt of a tweet an impression. See below for how TweetReach does these calculations.

Twitter Reach and Exposure Calculations

Interpreting reach and exposure

Reach provides an understanding of the overall impact of your message or campaign. A high reach indicates that a broad base of different users found your message interesting and spread it to their followers. It often means that multiple unrelated people found out about your campaign from sources outside of Twitter. Conversely, a lower reach means that your message is likely only being shared among a smaller group of people who may be more interrelated (e.g. people in the same geographic area).

A high reach will often be combined with a high exposure. Be careful if you notice your campaign has a low reach and a high exposure, that is an indicator that you may have a core of users that are trying to spread your message by tweeting repeatedly but that your campaign is failing to take off beyond those users’ followers. A high exposure among a small group of people may mean they feel “bombarded” by your message. You may want to alter your message or seek out other ways to get more Twitter users involved to avoid over-saturating a small group.

Written by Hayes D

April 3rd, 2010 at 6:38 pm

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