Study: Twitter's Early Growth Relied On Geographic Proximity. The takeaway from an MIT study released Wednesday, tracking the early growth of Twitter, is that new Web technologies - particularly social networks that rely on adoption by other users - cannot depend solely on online buzz (or even Ashton Kutcher, for that matter).
The study tracked data from 2006 to 2009 in the 408 U.S. cities with the highest rates of Twitter adoption. The findings clearly demonstrate that mainstream media mentions, coupled with the geographic and socioeconomic proximity of users, fueled its growth. A video mapping the data shows initial growth in San Francisco, where Twitter is based, then spreading to Boston. Which Countries Tweet the Most? Only About a Third of Tweets Are Worth Reading [STUDY] Do you ever wonder how people react when they see your Twitter updates?
![Only About a Third of Tweets Are Worth Reading [STUDY]](http://cdn.pearltrees.com/s/pic/th/about-third-tweets-reading-22531455)
Odds are, most would fall under the category of "meh," according to a new study. Researchers at Carnegie Mellon, MIT and Georgia Tech joined forces to get a sense of how most tweets go over.