How a simple line drawing of a smiley face became a global shorthand for brands to connect ... Smiley made its debut as a brand to draw attention to good-news stories in France-Soir, the French paper ...

B ack in ye olden tymes of the 1800s, a French physician named Guillaume Duchenne de Boulogne was shocking people's faces with electric probes to figure out how emotions work. His main test ...