Self-rolling suitcases and roll-up TVs: CES 2019's craziest and coolest gadgets

Hello future, you are weird. At least it is here at CES 2019, the tech industry's biggest annual conference. It's where companies big and small come to launch gadgets and test new ideas. Not all of them make it to stores. But there's an eternal optimism that technology can solve, well, almost any problem -- even ones you never knew you had.