Replacing those unused telephones that still dot the streets of NYC with high-tech kiosks is just the start. Control Group, one of the companies looking to Reinvent Payphones, has been hired by the MTA to bring its touchscreen and app-driven vision to the New York City Subway system. All told, 90 of 47-inch panels will be installed in stops from Grand Central to Bedford primarily near booths, but also on the platforms themselves. At least initially the rugged displays will primarily