Don't just sit there waiting for the bus, tutor a machine

I can’t help but think of the street person with a sign saying, “Will work for food” when I read about an experiment conducted at bus stops in Finland.

Vassilis Kostakos at the University of Oulu in Finland and colleagues put up four large LCD touchscreens in bus stops and other busy public areas. A sign invited passersby to touch — and to help train mal…