Account-1: @humanprogress (Twitter)Account-2: @humanprogressDate: Sunday, January 31, 2016Retweets: 82 retweets(Twitter) Likes: 49 likesBody: One megabyte of memory cost $2.6 billion in 1957. It's worth less than a cent these days. http://buff.ly/1ZW79NR Link: https://twitter.com/humanprogress/status/694005007176310786Social Action: authored a viral tweet