It’s love at first sight. The small golden Labrador curled up on the corner of the stage tilts her head and waggles her ears. The Lab’s name is Jennie, and she’s a dog who also happens to be a robot.

The star of last year's CES was clearly the Rollable OLED TV from LG Display, picked by CNET, Mashable and Reviewed.com as one of the hottest products for CES 2019 – a TV that could be rolled up and ...