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by not_a_bot_4sho 406 days ago
> yeah I can imagine if they bothered, they could see that there's always a person or two in all the pictures that aren't associated with any of the faces of the accounts

This is a thing in FB: shadow accounts.

A lot of time and money and research goes into it, so that if/when people do decide to join, they will have a very "familiar" experience with all the right suggestions ready to go.

Yes, it's creepy as hell. No, you can't opt out as far as I know.