Are you sure? I know Google has their AdWords program, but they are kept separate from the actual results. I think if Amazon is on top in Google, it's because they have more links pointing to 'em. There are a few basic metrics that modern search engine use today, from my understanding:
Originally posted by azizur_rahman
What happaning these days is that search companies like Google are charging companies for being top... say Amazon.com they payes Google so that they can come up #1 on the search.