Ecovacs Deebot OZMO 930 review: This robot vacuum can mop, too

Robot vacuums can clear hard flooring of dust and debris, but they can't do anything about other kinds of muck that build up on its surface. That still leaves you with the mundane chore of mopping. But Ecovacs' Deebot OZMO 930 has rolled to the rescue with its unique ability to switch between vacuuming and mopping modes. You wouldn't know this by looking at it. To the naked eye, the OZMO 930 looks like most other robot vacs.