A 120GB download on a 1980 300-baud modem wouldn't finish until 2081

walkingriver · x · 2026-10-03

A fun bandwidth calculation: if someone had started downloading a 120 GB file on a 300-baud modem back in 1980, it would still be in progress today and wouldn't complete until around 2081. By contrast, every faster connection technology, if started downloading the same file when it first became available, would have finished years or even decades ago — a vivid illustration of exponential progress in data transfer speeds.

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