On: Online Dating Advice: Exactly What To Say In A First Message

[whimsy]

It also analyzes what sort of language people tend to be receptive to (at least on dating sites... possibly elsewhere, too).

This could be useful if you're trying to create a rapport with users on your own website (albeit through one way communication).

[lucumo → whimsy]

Yeah, I wonder how "How's it going?" or "Yo" fare against a simple "Hi" in customer relations. Maybe there's something to be said for making that less formal.