You've seen them before. The cars and bicycles. The clinking beers. That bizarre, smiling pile of poo. You want to reply back with a semi-nonsensical emoji message of your own but... how the heck do ...

Emojis — those tiny drawings depicting a full range of human emotion, natural habitat, and everyday life — now function as a sort of pictographic Esperanto. Whereas in the past, emojis were just a fun ...