CES 2025 is filled with weird, new robot vacuum innovations. Dreame, a Chinese tech company, has unveiled its new X50 Ultra, a "stair-climbing" robot vacuum. But before you start dreaming (pun intended) of a bot that can clean your steps, here’s the reality: the X50 Ultra doesn’t actually climb stairs.

E nvision a robot vacuum cleaner. Now envision a mechanical arm extending in front of it to pick up a sock that someone peeled off and tossed to the ground. And now imagine this s