It was part of a tech demo for a research computer, in 1956, intentionally designed to show an easily visualisable problem domain - road connections between cit

It was part of a tech demo for a research computer, in 1956, intentionally designed to show an easily visualisable problem domain - road connections between cities. That’s over a decade before ARPANET existed. There’s an interview here with more: https://dl.acm.org/doi/pdf/10.1145/1787234.1787249 https://dl.acm.org/doi/pdf/10.1145/1787234.1787249