There was a related HN discussion of the fairly recent security vulnerability where Facebook was giving away information about your friends (a shadow profile wi

There was a related HN discussion of the fairly recent security vulnerability where Facebook was giving away information about your friends (a shadow profile with additional info on users who hadn't been the ones to give that info to Facebook) when you requested your extended data download: Facebook security bug exposed 6 million users' personal information https://news.ycombinator.com/item?id=5921092 https://news.ycombinator.com/item?id=5921092