Social Networks timeline

Facebook, Tumblr, Twitter BY ALEC S.

Facebook

February 4, 2004
June 2004
September 2004
March 2005
March 2006
October 24, 2007
August 26, 2008
January 2009
June 2010
October 1, 2010
September 2011
April 24, 2012
May 18, 2012

Tumblr

January 1, 2007
January 1, 2008
August 2009
17 April 2010
september 2010
June 2011
October 26, 2011
April 13, 2013

Twitter

2006
2006
March 21, 2006
July 15, 2006
October 2006
March 14, 2007
2008
2009
February 2010
March 2010
August 2010
October 4, 2010
2013