Convenience has always been the big promise of robot vacuums. Don’t clean your house yourself — instead, push a button and have a little robot putter around your home, sucking up all the dirt and ...

The marketing spiel promises more hygienic cleaning than a manual mop – the roller mop scrapes the dirt off as it rotates so you aren’t smearing it back on the floor – and when it is all done, the S20 ...