[gingerlime]

Always enjoy reading your insightful comments Silhouette!

I think Facebook hashes any plain text you give it client side to (try) to buffer their defenses... but I’m not sure. It’s a theater.

I wrote a blog post about this data sharing with Facebook https://blog.gingerlime.com/2020/whos-sharing-my-data-and-wh... that digs a little in this direction.

[Silhouette]

Thank you, that's nice of you to say, but I claim no special insight here. I just happen to live in the UK where these issues are relevant and to have some professional experience dealing with them.