TOKYO—McDonald’s in Japan used to display on its menu: “Cost of a Smile: 0 Yen”—but new facial recognition software could cost some employees their jobs, especially in service industries, if the ...
TOKYO—From a humble smiley face with a box mouth and inverted “V’s” for eyes, crude weather symbols, and a rudimentary heart — emoji have now exploded into the world’s fastest-growing language. There ...