According to http://blog.twitter.com/2010/02/measuring-tweets.html [February 2, 2010]: "Folks were tweeting 5,000 times a day in 2007. By 2008, that number was 300,000, and by 2009 it had grown to 2.5 million per day. Tweets grew 1,400% last year to 35 million per day. Today, we are seeing 50 million tweets per day—that's an average ...
