An introduction to ZWJ (Zero Width Joiner) Sequences, a way of creating compound emoji that is faster than the full Unicode. You have them on your keyboards, and you don’t even know it.
👨 + ❤ + 👨 = 👨❤️👨.
👨 +👩 + 👦 + 👦 = 👨👩👦👦.
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