The greatest innovations of 2013

'Where's my hoverboard?!' is the perennial cry of tech futuregazers the world over. And so it will remain, as another year ends without the invention of a Back to the Future-esque flying skateboard. Technology is, somehow, never as good as we want it to be. But there are legions of clever, dedicated and enormously ambitious people working non-stop to improve our lives with gadgets. Here are ten of this year's greatest innovations, from giants like Google to home-spun startups. One day, all this will be yours.