This fits in quite nicely with my interest in languages:
http://www.bisso.com/ujg_archives/000224.html
When I was working on Bayesian spam filtering, I realised that spam that misspelled words this way could have bypassed the filtering, at least for a while. Even thought of writing an app that did this and selling it to potential spammers. Another missed opportunity to become a millionaire. Well at least I still have my soul.