A new auction site, Listia, allows you to bid on items using no-cost credits instead of money.
You get 500 credits just for signing up, and you can use them to bid on a variety of items including used books and televisions.
You can also sell your own stuff on the site -- the number of credits you get from the high bidder can be tucked away for your own bidding.
And so on and so forth in this kind of utopian version of EBay.
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