Sabifoo :: Instant Possibility
You can instantly create your own Really Simple Syndication (RSS) feed and post things to the Web just by sending a message with your present instant messaging account. Publishing your greetings to the world is as simple as saying “Hello!”

Sabifoo is essentially a bot that posts everything you say as an item in your very own RSS feed. It supports IM systems other than XMPP, but I’ll quietly pretend it doesn’t.

I can see using this for a shoutbox on my blog…hmm…