Interested in who tweets, why they do, what they share and how often they do it, BuySellAds created this rich infographic to show at-a-glance what the Twitter ecoystem has become since it launched in 2006.

Did you know that the person most likely to use Twitter would be a female, hispanic, 20-something that attended college and lives in a city? Neither did we.

Then again, we are a little biased.

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BuySellAds TwitterUsers The who, why, and how of Twitter [Infographic]