Social Media By Saraclssns May 5, 2003 LinkedIn Feb 4, 2004 Facebook Feb 10, 2004 Flickr Feb 14, 2005 Youtube Mar 21, 2006 Twitter 2007 Tumblr 2010 Pinterest Oct 6, 2010 Instagram 2011 Snapchat Jan 24, 2013 Vine Period: 2015 to Oct 4, 2016 Meerkat Mar 26, 2015 Periscope
