In short, some of his suggestions include:
"Context" is the new buzzword for SEO in 2007. While you should still write good, natural, user-friendly and relevant web copy, using some simple LSI techniques can elevate your search engine ranking."
"If you want to be ranked higher in the search engines, you should write content and link profiles that have supportive text and anchor text (links) using this "theme" approach."
"Google contains more than 100 algorithms that make it the world's most popular search engine".
The last tip of his has gathered some interesting responses from readers. The thread can be read here.