Using Google Wave

Loads of people have written about it, but not that many people might have used it so the question on everybodies lips is, exactly how could you use Google Wave?
Well if you've used it already, you're probably in a better position then me to answer that particular answer. If you haven't used Google Wave then you might want to read "Google Wave: An experimental ride" this blog post ask the question, what could Google Wave be used for and provides some quite surprising anwers.