You're probably already familiar with the SIM card, a tiny chip in your phone that connects it to your cell phone carrier of choice. For years, this chip was on a physical card that you could swap in ...

Picture this: you've just landed after a nine-hour flight, you're running on two hours of sleep, and you're stuck in an airport kiosk line trying to buy a local SIM card just to load Google Maps.

SIM technology could simplify mobile access for low-income Americans by enabling affordable, flexible plans and reducing ...