We dig “Carol of the Bells” as much as the next eggnog-buzzed brute, but if this past month of nonstop Christmas music on the radio doesn’t drive home the need for personalized in-car audio content, what does? Silence that commercial crap for good with Automatica, a smart USB device and online service that lets you bring your music and podcasts with you on the road. Store 24 hours of stuff on the tiny device, plug it into your car’s USB port, then sync it with cloud storage services via Wi-Fi. Will you be able to live without obnoxious car dealer commercials every 17 minutes? Let’s find out.