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 ...

Keep your weekends full of the coolest things to do around Boston with our weekly Weekender newsletter. Ethan Murrow recently spent two weeks drawing a massive mural inside the Institute of ...