Hey, I did this almost six years ago! (Score 1)

There's a reference to the hack here:
http://www.tbtf.com/archive/1998-01-12.html
(search for "babelchat")

The chat room is long gone, but I've still got the source code around.
Seems to be identical to at least claims 1, 13, 26, 32, and 36 in the MS patent.