Most people have heard of robot vacuums. Perhaps you're even aware of the existence of robot lawn mowers. But did you know that now you can even get your hands on a robot for cleaning your windows?

I’ve tested hundreds of cleaning products over the course of my 10-year career as a product tester. I’ve reviewed it all: vacuums, mops, carpet cleaners, dusters, you name it. But you know what I’ve ...

Window-cleaning robots haven’t quite arrived, but if you’ve got enough very large windows, it could be worth it.