noun
personal computer communications; pre-Internet online service
Refers to dial-up BBSes, early online services, and PC-based networking before the widespread adoption of the Internet. Often used in historical or nostalgic contexts.
1980年代、パソコン通信で全国のユーザーとメッセージを交換していた。
In the 1980s, I exchanged messages with users nationwide via personal computer communications.
Personal computer communications were a major online method before the spread of the Internet.