Just because you're paranoid

doesn't mean they're not out to get you.

So this guy downloaded his facebook data as a zip file, and found that it contained his entire call history with his partners mother, and a hell of a lot more metadata.

I think this links to the tweet in which he describes very simply how to do it.

https://twitter.com/dylanmckaynz/status/976956497073553408

I've given up FB for Lent. As soon as I'm back on it, I'll check this out.

What freaks me out is the way that Mum has always wanted to be on FB to stay in contact with us, but her wild paranoia meant that even having an account really freaked her out. It's been a matter of real impatience to my brother.

Turns out she's right