We were promised things—great things. Things of an extraordinary nature that seemed just within our grasp. And then we never received them...

So we assembled a list of 10 technologies that we should have ironed out by now, but instead either never showed up, or were only completed in some half-assed, UMPC way. This gallery should need no explanation (except in one instance where only the liger fans in the group will feel our pain).


And when your eyes dry, hit the comments with your own favorite, elusive gadgets.