Nothing whatsoever. Note this is his first post. It's a spam post--he had about 3 or 4 links in his signature which I've since removed. Putting links to his websites on arbitrary sites like these forums helps boost their google ranking. This is called SEO optimization and is a multi-billion dollar business.
I would have deleted this entire thread, but I wanted to "learn" you, tanstaafl
cause i'm sure it'll happen again.