Active Users

Twitter has 140 million active users, although inactive accounts are much higher.
On the eve of the company's sixth birthday, the micro-blogging ......

According to info hidden in Google's own data, there are less than 1 million Google TV devices being actively used.
Also notable is the fact ......

The popular microblogging service also sees strong growth in mobile usage.
According to CEO Dick Costolo, there are about 100 million active ......