http://www.onclipevent.com/archives/enterframe/000574.html
Amazon is taking on Google with a new search site called A9. While Google concentrates on simplicity and delivering the most relevant search results in the shortest possible time, A9 is adding the experience face to the process of conducting a web search by providing various facets like related movies and books. While A9 still relies on the Google to provide its basic search results, integrating it with Amazon's 'Search inside Book' feature, has made this into a really powerful.