Earlier quoted context omitted.
> And besides, they take nothing that you don't give them. This isn't true, at all. Facebook collects plenty of data that users and non-users don't directly give them.
I think it's important to make a couple of distinctions here. 1. Facebook collects on you when you interact with their systems 2. You can purposefully interact with facebook systems by requesting content from a Facebook registered IP (eg, FB.com, whatsapp, IG, Messenger, comment widget etc...) 3. You can passively interact with facebook systems by accessing a website that posts metadata/telemetry to a Facebook regist…
Then they stopped allowing me to clear it out. Since people--without prompting--had wished me a happy birthday, FB was sure it was my birthday, and that was that. I could leave the year blank, but the month and day were literally unmodifiable.
That's when I started clearing all the personal data out of FB I could. No likes, no group memberships, nobody allowed to "check me in," and so on. They were collecting data on me I had no provided, against my expressed will.