Welcome to this morning's edition of "First To Know," a series in which we keep you in the know on what's happening in the digital world.
Today, we're looking at three particularly interesting stories. Despite posting record results for the final quarter of 2012, Apple's stock plummeted. Facebook was the most popular mobile app in that same period, surging past Google Maps; all in all, it accounted for 23% of time spent on apps. And, while we're on the subject of Facebook, a site called Actual Facebook Graph Searches took the Internet by storm, highlighting the compromising, contradictory, or plain old racist things people have on their public profiles.
Check out the video above for more on these stories.