Matt Cutts, Google’s director of search quality, is a very well known figure in the search community. He is often perceived as Google’s first official interface with the SEO community, via his online blog:
http://www.mattcutts.com/blog/
Today, the blog has been hacked into, by a French group called the Dark SEO Team.
This was really funny for everyone except for the guys at Google, as even though Matt Cutts admitted today that the whole thing was just an April Fool’s joke, chances are, a good bit of damage has already been done.