From the Google Blog -
Don't Drop While You Shop
http://googleblog.blogspot.com/2005/11/don...e-you-shop.html
QUOTE
Right now we have local content from hundreds of merchants across the U.S., but we encourage any merchant with a website to upload their own inventory (did we mention that it's free?) via Google Base. Get started by going to http://www.google.com/sellonfroogle.