Account-1: @humanprogress (Twitter)Account-2: @humanprogressDate: Monday, January 11, 2016Retweets: 34 retweets(Twitter) Likes: 20 likesBody: From 1960 to 2015, child mortality fell by 77% globally. http://buff.ly/1K2YvWC #health #progress Link: https://twitter.com/humanprogress/status/686627908924891136Social Action: authored a viral tweet