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Specification by Example: How Successful Teams Deliver the Right Software by Gojko Adzic

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Chapter 10. Validating frequently

“Stray too far out of your lane and your attention is immediately riveted by a loud, vibrating baloop baloop baloop.”

David Haldane[1]

1http://articles.latimes.com/1997-03-07/local/me-35781_1_botts-dots

In the 1950s, the California Department of Transportation had a problem with motorway lane markers. The lines were wearing out, and someone had to repaint them every season. This was costly, caused disruption to traffic, and was dangerous for the people charged with that task.

Dr. Elbert Dysart Botts worked on solving that problem and experimented with more-reflective paint, but this proved to be a dead end. Thinking outside the box, he invented raised lane markers, called Botts’ Dots. Botts’ Dots were visible ...

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