Google Shopping Merchant Reviews

[mandy]

Google Product Search displays merchant ratings that draw from Google Checkout shopper reviews as well as a crawl of third-party sites, including Shopzilla, PriceGrabber, Dealtime.com, NexTag.com, ResellerRatings.com, and even eBay's Shopping.com site.

Google displays the merchant ratings in search results on Google Product Search (the tab is now called "Shopping") in the form of a 5-star rating that also indicates the number of reviews the merchant has received. Google lets users refine searches to limit results to listings from merchants with a certain level of ratings (5 stars only, for example). If you click on the star ratings for a particular merchant, you'll be taken to the reviews - and unlike eBay's system, Google lets users zero in on negative ratings exclusively - or on positive or neutral ratings as well...

full article: http://www.auctionbytes.com/cab/abn/y08/m01/i09/s02