Why text messages are limited to 160 characters: "'This is perfectly sufficient,' he recalled thinking during that epiphany of 1985, when he was 45 years old. 'Perfectly sufficient.'The communications researcher and a dozen others had been laying out the plans to standardize a technology that would allow cellphones to transmit and display text messages. Because of tight bandwidth constraints of the wireless networks at the time -- which were mostly used for car phones -- each message would have to be as short as possible."
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