Los Angeles has reached peak bumper sticker: It’s now common to see cars displaying a rainbow of decals. Today’s stickers often mimic classic formulations from bumper stickers past and declare ...

Artists, small-business owners and residents are creating highly specific bumper stickers to serve their social circles and earn some laughs. In my neck of the woods, I’ve clocked “ON A QUIET ...

The most popular of the items that he sells? Bumper stickers that say, in all-caps, “I Bought This Before We Knew Elon Was Crazy.” For his vacation, Hiller asked a friend to cover for him.

Jeanne Vaccaro, a scholar and curator from Kansas, always wanted to become a bumper sticker person. For years, she collected stickers from artists, musicians and bookstores, but she kept them away ...