Back in Skype's early days, it was adding users so fast that it liked to boast that it was "the fastest growing, globally available communications tool in history." Well, by at least one measure (registered users 9 months after launch), mobile video chat service Tango is outpacing Skype. Tango now has 17 million registered users across both Apple and Android devices, only 9 months after it launched. By comparison, Skype celebrated 9 million users on its first birthday back in 2004.

Today, [...]

Read More: With 17M Registered Users, Tango Is Growing Twice As Fast As Skype Did Its First Year

Twitter has topped the 1 million mark in registered applications, from more than 750,000 developers, and the microblogging site launched a new Twitter Developers site to kick off its quest for the next million.

Read More: Twitter Tops 1M Registered Apps, Debuts New Twitter Developers Site

Poptweets Twitter made a big announcement today on their blog. They've just crossed one million registered applications, built by more than 750,000 developers. When you compare that to just 150,000 apps a year ago, you can see what a huge increase that is. They also said that a new app is registered every 1.5 seconds. ...

Read More: Twitter Announces 1 Million Registered Twitter Apps