Gadgets That Flopped in 2010

Microsoft's Kin One, which was released in spring and then dropped a few weeks later.

For every great gadget that triumphantly bursts onto the scene in a given year, there are many that never quite catch on. We’ve rounded up a few products that were each supposed to be the next big thing this year, but ultimately ended up being pulled from the market, having their release date pushed back indefinitely, or simply not selling.

—Seth Fiegerman