Whether or not Google's Knol will be the new Wikipedia is anyone's guess, but regardless, it's something you should consider in your marketing plans. Using Google Knol as a B2B Marketing Tool from the WebMarketCentral Blog explains why and how, and gives you some links to examine Knol further. As the article says, "now, the SME can write a Knol page – with full authorship credit for the writer and company – and publish it for the world, with no pressure to write on a regular basis."
You really should get in here early on.
Published on 29 July 2008 
Hey Chris, thanks for the link. I hope your readers find my post on Knol useful. I'm just starting to experiment with this but I have high hopes. Here's one of my early efforts:
http://knol.google.com/k/tom-pick/records-management/1na07davn2bhm/2#
Notice that the article is encyclopedic in writing style and uses links carefully.