Account-1: @humanprogress (Twitter)Account-2: @humanprogress (Twitter)Scholar: HumanProgress.orgDate: Tuesday, April 24, 2018(Twitter) Likes: 221 likesBody: For the first 99.9 percent of humanity's time on earth, progress was painfully slow. Then everything suddenly changed. Why? https://buff.ly/2GfEYeO Link: https://twitter.com/HumanProgress/status/988915997133373442Social Action: authored a viral tweet