Evolution of Social Media By facebooker_1231777497338792 2002 Linkedin https://en.wikipedia.org/wiki/LinkedIn 2004 Facebook https://en.wikipedia.org/wiki/Facebook 2005 Youtube https://en.wikipedia.org/wiki/YouTube 2006 Twitter https://en.wikipedia.org/wiki/Twitter 2007 Tumblr https://en.wikipedia.org/wiki/Tumblr 2010 Instagram https://en.wikipedia.org/wiki/Instagram
