As domestic help, robots have flaws. I bought my Roomba about three years ago; the Mint joined it a year later. But my dream of an immaculate, machine-cleaned home has yet to materialize—they can be slow and you have to space out your furniture to give them room to maneuver. But they earn their keep in other ways: They’re entertaining—a cross between the Three Stooges and a geeky Discovery Channel reality show. I’ve read that owners often grow attached to their machines. Some give their vacuums names; there’s even a website that sells clothing for Roombas.
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The Surprising Benefits of Robot Cleaners - WSJ.com