If there were a single, signature issue of living in the modern age, it's contending with a lousy smartphone signal. There are few things as existentially frustrating as trying to make a call or look ...

You know the moment. You're mid-call, about to say something important, and the line goes dead. Or you're trying to hail a ride, load a map, or send a file, and the spinning icon just won't quit. It's ...

You know that special kind of holiday-travel panic? Your phone's signal bars just... disappear. One minute you're following the GPS to your in-laws', the next your map is frozen, the festive playlist ...