3 ms·Who said I was talking about social media?by mort96 11mo agoWho said I was talking about social media?nish__ 11mo agoWell where else do users have public profiles?0x3f 11mo agoThe whole point though is that the ID itself leaks info, even if the profile is not public. There are many cases where you reference an object as a foreign key, even if you can't see the entire record of that foreign key.nish__ 11mo agoI can't think of any.strbean 11mo agoSending a friend request is an obvious example.nish__ 11mo agoOk but in that case, why not use the user ID as the primary key?