KnowraFacebookLinked fromLinked fromThe 12 pages that link to Facebook, each with the reason it gives.All 12Broader topic 7Related 1Compared with 4Web 2.0Broader topic: Its news feed turned social relationships into a continuous stream of shared updates.Social networking serviceBroader topic: It is a large-scale example of a service combining personal connections with groups and public pages.Mark ZuckerbergBroader topic: Zuckerberg co-founded the service and led its expansion beyond Harvard.Peter ThielBroader topic: Thiel invested $500,000 in Facebook in 2004, becoming its first outside investor.Sheryl SandbergBroader topic: Sandberg joined Facebook in 2008 and helped build its business operations.2000sBroader topic: Its rapid expansion made persistent online profiles and social networks familiar worldwide.Sean ParkerBroader topic: Parker joined Facebook in its early period as founding president and helped establish its business direction.