Now, equipped with your device, you are prepared to be a sensor, rather than a thing to be sensed. As you move around your smart city, the things around you stream data about their capabilities, limitations, prices, uses and nature. Want to find a loo? Your device not only knows which ones are free, but also what time you habitually pee, and whether or not you’ve been drinking a lot of water and might need one. Want a free seat on a bus? Likewise, the device will tell you where there is one free. When you stand at a bus-stop, your presence, but not your identity, is registered, so that the transit system can adjust the vehicles and routes.
Doctorow also recorded a version of this piece: