Re: STM?
It was a puncronym, because STD could mean a kind of disease but also stands for an old landline system - Subscriber Trunk Dialling, the first time you could make long distance calls without an operator.
It was a puncronym, because STD could mean a kind of disease but also stands for an old landline system - Subscriber Trunk Dialling, the first time you could make long distance calls without an operator.