The first ten users discovered Facebook

Founder and chief executive of Facebook, Mark Zuckerberg is in fourth place among the first users of the social network Facebook.In fact, the first three accounts were created to test Facebook, making Zuckerberg's account to be fourth.

According to the Guardian, anyone on Facebook has a personal identification number, to create the moment when they become part of the social network. Numbers are located on a regular basis.In the first ten users of Facebook cofounders include: ChrisHughes, DustinMoscovits, and Arie Has a Facebook engineer Chris Putnam.