How emoji conquered the world The story of the smiley face from the man who invented it In 1995, sales of pagers were booming among Japanâs teenagers, and NTT Docomoâs decision to add the heart symbol to its Pocket Bell devices let high school kids across the country inject a new level of sentiment (and cuteness) into the millions of messages they were keying into telephones every day. Docomo was
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