Facebook
type: Concept
broader: social networking communities
broader: internet and new media
definition: Facebook is the most popular social network in the world, ranked as the second-most visited Web site on (behind ) and registering more than 1.11 billion users as of March 2013. Facebook was launched by Mark Zuckerberg and a group of fellow Harvard University students in February 2004. [Source: Encyclopedia of Social Media and Politics; Facebook]

organizations
type: Collection
type: ConceptGroup
member: Facebook

internet and new media
type: Concept
narrower: Facebook

social networking communities
type: Concept
narrower: Facebook