Unusually well-concieved communication, could it possibly be by Mercury LLC?

If it was, they wouldn't admit to it...

International PR firm:

I just sent you the messages for use in different social media formats. All you have to do is cut and paste. It's foolproof, nothing can go wrong. (Hangs up phone, not convinced).

The fool from the PM's office:

Duh, ok.
(Tweets out "Twitter" heading)