Comment by bitL

I have to give it to FB - it's impressive how does their personal information collection and inference work. I was recently called by their recruiter - despite me being off FB for a few years, with inactive LinkedIn profile and keeping my current career info offline, they were perfectly informed what I am up to. Google messaged me as well. It's pretty amazing they could figure it out, even if I didn't really hide anything, just wasn't updating my status anywhere for quite a while nor talking to my acquaintances that could leak it through social engineering.