Tech That Never Took Off: 10 Great Ideas That Ultimately Failed

It's tough out there in the tech world. As CES wrapped up in Las Vegas yesterday, there were some clear winners and not just a few losers for the future of tech. But, even the predictions of the many can be wrong. Remember (the Nexus Q?) Exactly.

We collected 10 of the most-hyped gadgets and services from the last five years — from iTunes Ping to Twitter's flat-lining music app — that haven't performed as hotly as expected. That's not to say all of them are incapable of being revived. (The Microsoft Kin might be dead and buried, but there's hope for the Ouya.) As of right now, however, they certainly aren't winning the market.

Click through to see what made the ignominious cut. And, sorry in advance if you own any of them.