It's based on SMS [0], the standard that allows telephones to receive text messages. The message size in SMS is limited to 1120 bits, which works out to 140 8-bit characters (or 160 7-bit characters.) One of twitter's design goals was to be usable from the broadest set of mobile devices possible.
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It's based on SMS [0], the standard that allows telephones to receive text messages. The message size in SMS is limited to 1120 bits, which works out to 140 8-bit characters (or 160 7-bit characters.) One of twitter's design goals was to be usable from the broadest set of mobile devices possible.
[0] http://en.wikipedia.org/wiki/SMS
That sounds a good reason. Thank you!