Welcome to the future. Or at least the future that many of us thought we'd have before it became the present. And while the current future has many great things in store for us, from computers that fit into our pockets to a train that transports us across half the world in well under a day (thanks Elon Musk!), it also does not have some stuff that we thought may exist. From hoverboards to moving houses, here's a list of 10 of the wacky (and not-so-wacky) contraptions, gadgets and inventions that we thought would exist by now, but for various reasons, don't.