We now have groups for promoting Stack Overflow on some social networking sites. They are quasi-official.
Everyone's welcome to join any of them.
LinkedIn --- promote your Stack Overflow profile on your online CV (looking for administrators).
Currently I'm the sole administrator for the LinkedIn group. I don't want to be; LinkedIn requires an administrator to approve all new members.
What does everyone reckon is best practice for these sort of groups? I was thinking that we could use similar rules to Stack Overflow — if you have over 4000 reputation points you're welcome as an administrator, that sort of thing.
If you are a member of a networking site not already listed, please add it here.