These are the best robot vacuums for keeping small spaces sparkling clean

I live in a studio apartment that's about 20 x 9 feet, plus a bathroom, and honestly, I've always thought my place was too small to house a robot vacuum. I mean, one arm of my sofa practically touches my bed while the other side of the couch is mere inches away from the fridge. Gotta love that zero-bedroom life.

I rely on my...