If you think your travel bag's cool because it has wheels that can roll a full 360 degrees, well, we've got a new definition of cool for you. Cool is when a suitcase can follow you around on its own -- hands-free.

This isn't the suitcase of our imagination or some contraption featured on the "Jetsons." Israeli company NUA Robotics has developed a suitcase of the future, a carry-on piece of luggage that uses a camera sensor and Bluetooth pairing to follow its owner.