Here is a robot suitcase that automatically follows you and intelligently avoids obstacles. The Airwheel SR3 lets you use your mobile device as its remote control. It has a visual tracker and sensor to identify its owner.
The Airwheel SR3 has a camera, radar, and ultrasound sensor with SLAM. It can identify and follow its owner hands-free. You can activate this smart piece of luggage by pulling out its intelligent recognition rod and turning it on. These videos show it in action: