Even in the comfort of your own home, you might get shoddy cell service from time to time. Maybe your text messages aren't going through, or calls keep dropping right in the middle of a conversation.

We've all been there. You're traveling through an unknown stretch of road when your Spotify playlist drops off the stereo because you've lost your phone signal. There's nothing that ruins a road trip ...

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 ...