We all know about eBay and Craigslist, but now there is new startup that hopes to shake up the commerce space. It is called Keepio, and it allows users to buy, sell, and trade while utilizing the social graph.

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Keepio is an “inventory platform” in which users can list as many items as they want. These items can be made public, but they can also be kept private. Unlike Craigslist, there is no time limit for how long items can be listed. Also, unlike eBay, items can be shared through Facebook and Twitter.

“It’s very different than eBay because it really targets peer-to-peer commerce,” said Dave Durand, CEO of Keepio.

Instead of collecting a transaction fee, Keepio is promoting the idea of “collaborative consumption.” It will make money by learning what people have listed and then targeting them with relevant items. For example, if a user has 4 GE products, advertisers could offer him or her a discount on another GE product.

Durand said he wants the ad process to very “non-obtrusive.” He further explained that the ads would be complimentary offers for users.

Keepio also has plans to take its product mobile by the end of the year.

Could a new startup, like Keepio, take on industry standards like eBay, Craigslist, and Amazon?