Getting consumers to embrace a new technology isn't easy. It's few and far between for gadgets that get a permanent place in our everyday existence.
You can't fault the tech industry's major players for trying; it's just that many A's for "effort in product development" end up with an F for "failure to catch on."
In some cases the idea was ahead of its time. Other products weren't quite right in the engineering and execution. Then there are the examples that in retrospect were so wrong it baffles the mind that tech-industry giants thought these were the candidates with revolutionary potential.
Here's a look at some notable gadgets that received fanfare but faded into obscurity or, even worse, consumer ridicule.