Social Media Sites and Apps Timeline By alexishagman May 4, 1999 Friends Reunited App was created Jan 1, 2003 Myspace May 4, 2003 Linkdn May 4, 2004 Facebook Jul 5, 2006 Twitter Aug 8, 2010 Instagram Dec 4, 2010 Pinterest May 4, 2011 Snapchat May 4, 2013 Vine
