Amazon.com has launches its own sponsored search product. Amazon’s beta launch of Clickriver Ads will offer pay-per-click advertising. It will use the Google’s model of “bid & performance,” soon Yahoo will also follow this model.

A9.com unit of Amazon powers the technology, ads will still appear alongside other 3rd party sponsored ads. You can advertise services and products with the Clickriver Ads. The products should complement the selection on Amazon.com through sponsored links displaying on result pages of search and detail pages of product.

During the shopping experience, you can engage the online shoppers with the advertising program.