This is Hacker Daily, for Friday, April 20th, 2018— Third-party trackers are abusing Facebook social login A former Reddit employee says he made the xworld a worse place The quest for the next billion-dollar color Google releases an app to teach people how to code The unpaid work that's part of job interviews And finally, Apple open-sources a NoSQL database. Just a quick reminder, the episode notes include links to every story we discuss today