Facebook Master Algorithm

 Facebook Master Algorithm  is the name given to Facebook's algorithm for determining what content to show in Facebook's reader (AKA News Feed shown on their logged-in homepage), also adopted and tweaked by Instagram for their reader (app home screen).

(original article behind paywall)

Twitter Algorithmic Feed
(might deserve its own page) Twitter deployed an algorithm in 2016 to filter and re-order your reader view: And previously (before algorithmic manipulation of your reader view) Andy Baio notes that one can use Twitter's advanced search to get a non-algorithmic timeline feed: Lindy Developer has created an app to display the "old" Twitter timeline without the algorighmic-based feed: https://ohmytimeline.com/
 * 2016-02-05 Buzzfeed: Twitter To Introduce Algorithmic Timeline As Soon As Next Week
 * "Algorithmic Timeline" is a misnomer here — it's not a time line, algorithmic or not, if it’s not in chronological order. That’s the time part of the word timeline. — undefined
 * 2017-03-05 Slate: Twitter’s New Order: Inside the changes that could save its business—and reshape civil discourse
 * 2012-10-30 Buzzfeed: Twitter Is A Truth Machine: During Sandy, the Internet spread — then crushed — rumors at breakneck speed
 * https://twitter.com/waxpancake/status/999704968524324864

Keith J. Grant created a gist to use "Adblock plus filters to remove the crap from twitter"