Someone I know wasn't wanting to use Facebook, but discovered a society she was involved in had set up a FB page for existing members and new ones alike and the chatter and photo sharing that had been going on via email was now on FB. (In some ways, it was probably more efficient, but given the wrapper-code around images it was of the level of "emailing images embedded as within word documents" silliness, once we got into it.). Already she'd been sent a link by another member to view "without login", but this ended up 'remembering' her as the other member somehow, it turns out later.
Anyhoo, she was eventually encouraged to join by that other soc. member, and (like that member) chose to use a pseudonymical identity to do so. 'Easiest' solution to the required secondary point of contact was her mobile phone (couldn't handle a throwaway/secondary email account, and that'd probably require Google knowing a mobile number anyway, these days). Whereupon it appears that someone(s) in a totally different part of her social sphere must have given FB all their phone address book as, though "Ann Onymous" (not her actual pseudonym) had joined the Society facebook page with absolutely no deliberate link to any other field of her life, the "You might already know..." suggestions was full of people in a given Organisation, and no doubt they'd have been told that
they might know Ann Onymous. Though whether they could backtrack to why is an unanswered question.
Meanwhile, every other (infrequent) attempt to check FB for business that someone tends to email her about to go and see, instead of logging in as Ann Onymous it tries to log her in as the original instigator of the FB involvement, something cookie-related, perhaps, that I still haven't resolved.
I.e., a right royal pain. Especially for someone (her) who has problems if I move a desktop icon, and insists that if I copy/replace/rename a file in a folder window (which she dislikes being maximised, even when it's useful to do so, so it's always a small letterbox in the middle of the screen) that I
move it into alphabetic position. (I F5 it, which mostly does what's needed.)
On the whole, it's not exactly a marriage made in heaven, and even though I could probably Twit, Facespace, WhatsChat or TicTac myself without technical issues, I'm happy to eschew the Web2.0 scene and stick with Web1.5 socialising (such as being on this forum, totally disconnected from any of the other fora I may be on), largely random Web1.0 browsing and various pre-Web hangouts on the Internet that I probably shared a lot more personal information on than I do these days, including in that little tale I just told, but are probably just obscure enough to (even if indexed) avoid any link to Starver here for the most part. This side of an ISP/GCHQ log, anyway.