The files were published by a committee of British MPs.
Leaving the EU will leave us isolated and vulnerable right when we need our friends the most. Only now do we know just how much it will cost us and all the promises that have been broken
Family of 15-year-old say allegations made by English Defence League founder are lies.
Here's what's going on.
A grand committee that featured lawmakers from nine different countries met in London to investigate the impact of disinformation on Facebook was having on democracy. They requested Mark Zuckerberg answer questions before them, but instead the American tech giant sent Lord Allan, their Director of Policy in Europe, instead - much to the outrage of the committee.
Anger as Facebook founder was a no-show in London.
The move is part of the Cambridge Analytica data scandal probe.
Here's a rundown if you've been preoccupied by Brexit.
Facebook has been criticised for hosting a post on the auction of a 17-year old girl for marriage in South Sudan. The case has attracted concern across the world.