How emoji conquered the worldIn 1995, sales of pagers were booming among Japan’s teenagers, and NTT Docomo’s 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 thriving, with a bona fide must-have gadget on its hands and market share in the neighbo
