FB violated its promise to be the privacy-centric alternative to #Myspace, where our data would never be harvested; it switched on surveillance and created cheap, accurate ad-targeting:
https://lawcat.berkeley.edu/record/1128876?ln=en
Google fulfilled the prophecy in its founding document, the #PagerankPaper: "advertising funded search engines will be inherently biased towards the advertisers and away from the needs of the consumers." They offered cheap, highly targeted ads:
http://infolab.stanford.edu/~backrub/google.html
9/
Facebook and Google weren't just kind to advertisers - they also gave media companies and creative workers a great deal, funneling vast quantities of traffic to both. Facebook did this by cramming media content into the feeds of people who hadn't asked to see it, displacing the friends' posts they *had* asked to see. Google did it by upranking media posts in search results.
10/