That depends on the search terms people use. And most people don't search for "interesting", "amazing", "valuable" or "useful". Most people just go to amazon.com, because it has everything, offers good prices, fast delivery and good customer service.
Kees
I can offer to the visitors about my ecommerce site to make sure that my site is more valuable, more interesting, more amazing or useful than how to rank my site on the top of the search result.

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic