Here's what happened in technology news this week. Fortune: Researchers Discover Big Cybersecurity Flaw In Fortnite By: Jonathan Vanian Wired: An Astonishing 773 Million Records Exposed In Monster Breach By: Brian Barrett Tom’s Guide: Most Americans Still Don't Know Facebook Tracks Them By: Monica Chin Information Week: How Retail Is Advancing AI, IoT By: Jessica Davis CNET: Twitter Admits Bug Exposed Some Android Users' Protected Tweets For Years By: Sean Keane Wall Street J