TIL the origin of the * and # on phone keypads: http://en.wikipedia.org/wiki/Dual-tone_multi-frequency#.23.2C_.2A.2C_A.2C_B.2C_C.2C_and_D …
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TIL the origin of the * and # on phone keypads: http://en.wikipedia.org/wiki/Dual-tone_multi-frequency#.23.2C_.2A.2C_A.2C_B.2C_C.2C_and_D …