3 key takeaways from the Zuckerberg hearings

3 key takeaways from the Zuckerberg hearings  Washington Post Congress doesn't know how Facebook works and other things we learned from Mark Zuckerberg's testimony  Recode Mark Zuckerberg's second day in Congress: Here are the key points you need to know  CNBC Why Facebook's 2011 Promises Haven't Protected Users  WIRED How Facebook's changes could hurt the 'good guys'  CNNFull coverage