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Although one might be forgiven that the initial summary conclusion of semiotician—a student of processes and signifiers, like flow-charts and equations—Charles K. Bliss (*1897 - †1895, born Karl Kasiel Blitz in the Austro-Hungarian Empire but migrated to Australia after the war and release from concentration camps via Shanghai) was that the strife in his homeland was caused by the inability to communicate, we suppose that one only need look at his Blissymbols as a precursor (see also) to our extended character-set of emoji. The constructed ideographic writing system first expounded in 1949 and elaborated subsequently, even assigned its own ISO script block. Originally championed as a heuristic for teaching grammar to those with learning challenges, a set of Blissymbols were adapted into the universal suite of directional and informational glyphs found at train terminals, airports, stadia and hotels following the tourist explosion and jet-setting of the 1960s. More to explore at the links above.