Even though Wilson Kipsang focused on winning the race, wireless video, among other security efforts, covered his back at the recent New York Marathon. Turn on a kitchen light, and thank a wireless camera for keeping the electric utility’s substation up, running and pumping out those kilowatts. And that No. 8 bus to work? Passengers can lean back in their seats knowing security personnel can view the inside scene in real-time all along the route.