I hit a paywall halfway through unfortunately but I'm guessing I got the gist. A counterpoint (although just playing devils advocate here, I try to give social

I hit a paywall halfway through unfortunately but I'm guessing I got the gist. A counterpoint (although just playing devils advocate here, I try to give social media sites as little info as possible while still making them useful for my work) is that Facebook knows a lot about many people, likely including those in your network and probably out of any service with the exception of maybe Google, could make an optimal match for you if it wanted to based on personality, interests, etc. I've always thought it strange how people marry or get into relationships generally with people in their immediate or secondary circle of friends/colleagues/classmates when it seems incredibly unlikely that the best match for you is in that group out of a few billion people in the world. Personally I'd love a tool that found me the optimal match even if they weren't in my circle and I think FB could probably deliver that with their dating app if they wanted to