Yahoo has gone out of its way to install 20 touch screens across SF. What for? Gaming. Against other people in other bus stops. People can play against any anonymous from around the corner Bus stops.
The Yahoo initiative is actually for alleviating the dreadful waits at bus stops. So instead of just staring at pavement, why not play games? But don’t forget about your bus, though. That defeats the purpose of being in a bus stop.