A9.com, the search engine from Amazon.com has been officially launched. It’s main results are delivered by the Google search engine, and A9 uses Google’s adwords advertising, so really doesn’t change the search landscape too much for the electronics industry, which typically has already bought in to optimising for Google and buying adwords.

Features designed to attract users include: web and image search displayed side by side (both provided by Google), book text of more than 100,000 titles from Amazon.com’s Search Inside The Book™, movie information from the Internet Movie Database, and reference information (encyclopedia, dictionary, etc.) through GuruNet.com. Much is made of the engine’s ability to store details of past searches and deliver results based upon them, aiming to provide “customised searching” capabilities to all users.