All ten tips... wordtracker.com

9) Write original content: Having duplicate content is a major no-no for search engine optimization, so don’t just “copy and paste” content from existing sources. Make sure your content is fresh and original - even copying your own content is a poor SEO decision.

That is such an ironic tip, considering that this article is a straight rewrite of one from another newsletter last month:

http://www.submitexpress.com/newsletters/July_01_10.html

Considering how popular re-writes and article "spinners" have become within the seo industry, it does raise some interesting questions as to what exactly is "original" content, with many feeling that as long as the search engines regard it as "unique" then it is fine to rehash, rewrite, or otherwise modify existing material and claim that it is new.

I would be curious to know if Pierre actually wrote the original article, or if one of his staff or an outsourced author did.