[jzl]

Yes! It's insane. It's probably using location data and IP address among other things. If they had even an ounce of concern about privacy they would detect and explicitly prevent making recommendations across accounts that someone is obviously trying to keep separate.

The best breakdown I've seen of this issue, including glib comments from Facebook: https://gizmodo.com/how-facebook-outs-sex-workers-1818861596

[sundvor]

Gee that's utterly effing horrible. For me that "magic" was just an annoyance, but I see that for a lot of people it is anything but.