Twitter’s exponential growth: 1 billion tweets a week

Twitter’s Carolyn Penner posted some statistics about the microblogging website on the company blog. In three years, two months and one day after the launch users wrote one billion tweets. Now they send one billion tweets a week.

Penner wrote that on March 12th alone 572,000 accounts were created which is up from 460,000 accounts on an average day last month. Besides, Twitter’s seen a 182 percent increase in mobile users over the past year.

Finally, Penner wrote, “8. 29. 130. 350. 400. Number of Twitter employees in Jan 2008, Jan 2009, Jan 2010, Jan 2011 and today.”