Mashable: On Thursday, Twitter CEO Dick Costolo revealed a number of statistics about the micro-blogging service:
- 100 million people log in to Twitter at least once a month.
- 55 million people log in to Twitter from a mobile device every month.
- 50 million people log in to Twitter every day.
- 200 million people have registered Twitter accounts.
- Twitter hosts roughly 1 billion tweets every day.
- The record for tweets per second is 8,900.