State of the Twittersphere: June 2009

Here at HubSpot, we’re big fans of Twitter (you can follow @HubSpot and @Grader and we built Twitter Grader (http://Twitter.Grader.com) to help people evaluate and improve their Twitter presence. With all the data we’ve collected from Twitter Grader (information on over 4.5 million users), we thought it was time to update last year's State of the Twittersphere and share that back with the...