Some say "of our dreams" but personally those aren't the words which come to mind in my case.

Maybe if I worked in aged care, where loss of dignity and safety issues are a huge issue, I could see this. I'm less sure a hotel is the longterm first exposure for most people for this device.

A pet version for dogs especially, but how you'd do ethics review (cortisol stress testing?)

All human related cleaning devices need a cleaning cycle. I'd want to know a lot about the cycle time between occupants and how the entire interior surface is .. decontaminated -aspiration would me a massive risk.

If it's self cleaning, sign me up!

How is projecting an image AI?

and what or whom cleans the machine?

The ultra-fine bubbles.