A car is like an extension of its owner; it can be adorned, bedazzled, and upgraded to look like a futuristic piece of art. If you're a 2000s kid and remember MTV's Pimp My Ride, you know what we're ...

Traffic sucks. It's just fumes and honking, for the most part. But occasionally, a little bit of color emerges on the back of the car in front of you—a bumper sticker can turn a dull commute into a ...