PCWorld: This month marks Twitter's first birthday, and in honor of the occasion, the company has released a number of statistics about its service, including the following:
- It took 3 years for the company to reach 1 billion tweets; now users send 1 billion tweets per week.
- In the past year, the number of tweets per day grew from 50 million to 140 million.
- 460,000 people create new Twitter accounts every day.
- The number of mobile Twitter users has grown 182 percent since last year.