Picture this: You’re riding in the car with your teenage grandchild. You offer to turn on the radio, maybe find a nice Beatles tune or some classic Motown. They look at you like you just offered to churn some butter on the dashboard. Instead, they connect their phone, and suddenly the car is vibrating to a sound that resembles a dial-up modem fighting a drum set. You smile, nod, and silently wonder if you should…