facebook

Believe it or not, Facebook announced it signed up its 500 millionth user on Wednesday. The company launched in 2004 and it took them almost 4 years to sign up 100 million users, so this is quite a milestone.

In today’s world of burgeoning social networking sites, it’s not uncommon to have multiple profiles on multiple platforms. Many people are using Twitter, Facebook, LinkedIn, Digg and many other sites on a daily basis. However, as these sites become more popular and companies start to do business using social media, it becomes difficult to draw a boundary line between what parts of the Net are for your personal use and what could be viewed from a professional standpoint.