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You know how our social graphs are creeping into every aspect of our web lives, from search results to coupons? Well, get ready for something a lot more personal, a lot more targeted and, perhaps, a lot more creepy. Much as social graphs are maps of our social media connections that follow us across the web, interest graphs are maps of our interests. Some companies want them to follow us across the web, too, meaning that wherever we go, there we are. There'll be no more need to search through news sites for the stories we want, or shopping sites for the products we want, because the site will know as soon as we hit its system who we are and what we like. Whether you're fascinated or appalled by the idea of interest graphs, here's a taste of how they might work.

EBay said it will use Hunch's "taste graph" technology to provide its users with non-obvious recommendations for items based on their unique tastes. The company said it will also apply Hunch's technology to other areas such as search, advertising and marketing, in order to better surface product information based on its customers' tastes.