In 2010 so far we’ve reviewed close to 350 products and covered many more. While a few stood out as great and many more were at least solid, the year also brought us a handful of fail. Some of these clunkers fell way short of the competition while others were just bad ideas that had us wondering “what were they thinking?”

As you look over this list, you’ll notice a few trends. We’ve included four tablets because the unfortunate result of the iPad’s success has been an avalanche of craptastic copycats. We’ve also seen a fair share of dumb smart phones and eReader duds.

Without further a complaint, here’s the worst of 2010:

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Microsoft KIN

In an era where everyone wants a smart phone, who would buy a dumbed-down handset that has no apps, provides a terrible browsing experience on its tiny screen, and a UI that makes users jump through silly hoops like dragging photos onto a tiny green circle just to share them?

Teenagers and young adult hipsters would flock to KIN in droves, Microsoft reasoned, and even pay the same data fees Verizon charges for its Droids. Fortunately, consumers aren't stupid. The product was pulled from the market in just 48 days.

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