Uber is rolling out kiosks for travelers to book rideshares without using the mobile app. The company is pitching the service as a convenience for international travelers who may not have a data plan, but it could also be a lifesaver if your phone runs out of juice and you don't have a way to recharge it. A passenger can use the kiosk to enter their destination and desired ride type, then will receive a printed receipt with the details about their booked ride.