Niche Sites Going After eBay

A host of Web start-ups are gaining traction based on the premise that they make it easier for people to buy and sell online than the company that invented the idea: eBay Inc. Second Rotation Inc.’s Gazelle.com site, which offers people a set price to take used gadgets like iPods and laptops off their hands, last month more than doubled the number of products, to 18,000, that it took in compared with a year earlier.

Where Your Old Gadgets Find a Second Life

Digital electronics will eventually break or get replaced. It’s hard to know what to do with the gadgets that get left behind. But there are Web sites that make it easy to get rid of old electronics — and some offer cash for them, too.