Michael VanDeMar wrote an interesting post on his blog about the uselessness of the Google Keyword tool for SEO. He explains that while we reported that the tool is showing keyword numbers, it still isn’t helpful. His rationale is that the numbers refer to PPC search behavior only, not overall Google.com search behavior, and then he explains how past research has given him this perception. He writes:

Interesting analysis. Jill Whalen admits that the numbers seem rather high but it now makes sense because they use the content network in their numbers.

Forum discussion continues at Sphinn.