Facebooknoun
A reference book or electronic directory made up of individuals’ photographs and names.
Facebooknoun
A college publication distributed at the start of the academic year by university administrations with the intention of helping students get to know each other better.
Facebookverb
alternative form of Facebook
Facebook is an American online social media and social networking service owned by Facebook, Inc. Founded in 2004 by Mark Zuckerberg with fellow Harvard College students and roommates Eduardo Saverin, Andrew McCollum, Dustin Moskovitz, and Chris Hughes, its name comes from the face book directories often given to American university students.
Instagram (commonly abbreviated to IG, Insta or the gram) is an American photo and video sharing social networking service created by Kevin Systrom and Mike Krieger. In April 2012, Facebook acquired the service for approximately US$1 billion in cash and stock.