iRobot, the company that makes the Roomba vacuuming robot, also makes the Scooba floor-washing robot. And now, they're coming out with a smaller version of the Scooba called the Scooba 230. You can see the commercial here:
Will hoarders buy this? Probably not, because most hoarders have a problem with getting all of the stuff OFF the floor before you can vaccuum or mop. Still, I think it looks really cool, and I am a happy owner of a Roomba (which I can use, now that I can finally see my carpet!). So I think it's worth mentioning.
There are also a number of litter box cleaning robots out there, like this one:
Is there a way to use computers and/or AI to help fight clutter? I've never really thought of it before. But now it's gotten me wondering...