3 ms·
SMS was designed from the start to fit in the handul of unused bytes in the tower handshake that was happening anyway, hence the 160 char limit. Its marginal co
by margalabargala 1y ago
SMS was designed from the start to fit in the handul of unused bytes in the tower handshake that was happening anyway, hence the 160 char limit. Its marginal cost has always been free on the supply side.
- RF_Savage 1y agoSMS routing and billing systems did cost money. Especially billing, as the standards had nothing for it, so it was done by 3rd party software for a very long time.
- margalabargala 1y agoOf course, how pleasingly circular. "It's so expensive because it costs so much to charge you for it".
- baq 1y agoExactly! AWS is so expensive because it can be so cheap. Billing was the true innovation.