The Expansion Effect

The Expansion Effect

Your Company Runs on Railroad Tech

What your choices about how you work today mean for whether you get to tomorrow.

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Joseph Logan
Feb 23, 2026
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In 1855, Daniel McCallum had a problem. As General Superintendent of the New York & Erie Railroad, he was responsible for over 5,000 workers spread across hundreds of miles of track. He needed a way to see who was responsible for what, and how accountability flowed across the system. So he commissioned the world’s first organizational chart, a sprawling…

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