Google Product Reviews Program give shoppers on Google easy access to product reviews and user ratings from participating retailers. Google's now adding "PowerReviews," a leading provider of customer reviews, as a partner to this program, to share premium user generated product review content from client sites. Ratings and review content will appear wherever it's relevant for shoppers, including Google search results, Google Product Search, and Google advertising programs.
"PowerReviews' social commerce solutions support more than 1000 retailers and brands on over 3,500 websites. In 2008, PowerReviews released In-line SEO, which optimizes user-generated content for search and has been proven to significantly increase product page search traffic."