La vera storia dell’SMS

Di   4 Maggio 2009
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Via LA Times

Alone in a room in his home in Bonn, Germany, Friedhelm Hillebrand sat at his typewriter, tapping out random sentences and questions on a sheet of paper. As he went along, Hillebrand counted the number of letters, numbers, punctuation marks and spaces on the page. Each blurb ran on for a line or two and nearly always clocked in under 160 characters.

That became Hillebrand’s magic number — and set the standard for one of today’s most popular forms of digital communication: text messaging. “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.