In the last 10 years, how far has Facebook come? And how different is it now to how it was in the beginning? Facebook went from nothing to being THE social network pretty fast, exclusively in the realm of university students originally, it went on to define a new kind of personal communication, used today by 1.59 BILLION people globally. Facebook now owns WhatsApp (1 billion users) and Instagram (400 million users) as well as the virtual reality brand Oculus Rift, and that's just for starters.