Yea, I wish I had done that:=( LOL
If you’re still on FB, here’s how to get off:
http://www.wikihow.com/Permanently-Delete-a-Facebook-Account
They’ve removed that option from the User’s CP, now. This link still works to get off, but it’ll take 10-14 days. Sorry I can’t help you with getting-off the other sites. I was never on them.