If you buy a new car, borrow a friend's, or even rent, you may be presented with a handy-dandy aux jack. Aux stands for auxilliary, it lets you hook up your music player to the car's stereo. You'll ...

Nearly everyone these days owns some sort of portable electronic device, such as a smartphone, an MP3 player, a tablet, or a laptop, and if you want to play it through an audio receiver or car stereo, ...