Twitter said Thursday that it now boasts 100 million active users, half of which tweet to the site on a daily basis. That figure represents an 82 percent increase since the beginning of the year, Twitter representatives said in an email. All told, the company's active userbase is increasing faster in 2011 than in 2010, and the company said it is on pace to add more active users - 26 million - in the next four months as in 2006 through 2009 combined. In 2011, the number of users that log in to Twitter every day has slightly more than doubled, or grown 105 percent. Over 55 percent of active users contribute tweets from a smartphone or other mobile device, Twitter said/Mark Hachman, PCMag.com. More here.

Question: Do you tweet or follow anyone on Twitter?