I've always been a huuuge admirer of the BBC, both television and radio. Here's a gem my friend jason pointed me out to. Its called Flirt Divert a program on BBC radio 1.
The program has published a number that can be handed out to people who keep hassling you for your number (flirts!?). The number points to a radio answering machine that records messages and plays them on the program called 'Flirt Divert' on BBC Radio 1!
They've put up some texts they've received at this number as well :)