Add Yahoo as a preferred source to see more of our stories on Google. With just 22 days and $100 worth of Sharpies, Mark Niemann transformed his Mazda Miata into a head-turning work of art. With just ...

Exhausted new moms use them to mark their twins. Doodlers on hyper-drive pull them out to trick out their cars. Conan O’Brien morphed into one on Twitter, and Taylor Swift used one as eyeliner in a ...