Facebook probably needs no introduction; nonetheless, here is a quick history of the company. The world’s biggest and most-famous social network was launched by Mark Zuckerberg while he was a student at Harvard University, in early 2004. TheFacebook, as it was then known, was originally intended to serve a digitised version of the ‘face books’ held by Harvard’s various colleges, which were paper directories containing images and personal information about students. Initially limited t...