Computer Chronicles Revisited 22 — Dialog and The Source

The ostensible topic of this next Computer Chronicles episode was databases. But what we’re really talking about here are early online information systems–that is, the precursor to the modern Internet. This was a time (1984) when just getting online was a chore. First, you needed a personal computer with a separate modem peripheral connected to a telephone line. Then you needed a subscription to an online service. The service itself charged you by the minute or hour for access–and that was on top of any long-distance phone charges you might incur if the service did not have a local number.

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