Robo-vac owner naps in the wrong spot, vacuum eats her hair

Robotic vacuums like the Roomba come with a lot of benefits and few downsides, but their autonomous functionality coupled with a relative lack of intelligence means some snafus are bound to happen (though they're usually the owner's fault). We've seen instances of this in the past. In late 2013, for example, a Roomba parked on a counter activated for its …