Twitter Has 100 Million Monthly Active Users; 50% Log In Every Day

Twitter CEO Dick Costolo revealed some interesting stats about Twitter’s growth, including that it has more than 100 million active users and that signups via iOS device have tripled since the launch of iOS 5. Twitter has been on a roll in recent months. The company surpassed 200 million tweets per day in June, but has since jumped to nearly 250 million daily tweets. Read more »

WATCH: Sean Parker, Twitter and 4chan Speak at Web 2.0 Summit [LIVE]

The Web 2.0 Summit , one of technology’s premiere conferences, is kicking off in San Francisco Monday with the CEOs of Twitter , Salesforce, Zynga , Intel and more. The Summit brings together some of technology’s biggest names for three days of interviews, panels and discussion surrounding the most important issues in the industry. Read more »