Trends

Timelines with the most documented tool eras

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Timelines where our sources document the most distinct waves of tools. A count of documented eras, not a measure of how much a job changed.

Timelines with the most documented tool eras

Software Developers, Heavy and Tractor-Trailer Truck Drivers, Accountants and Auditors and 17 more below.

Solid where an official survey counted, hazy where a figure is researched, dotted where nobody counted. Past the last count, a river fans into its cited forecasts.

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