What Treadmills Were Made For

By Alexis C. Madrigal

Providing horizontal motion for absurdly complex dance moves.

Megan Garber delivered a pocket history of the invention of the gym machine today. But she left out one key use for the treadmill: providing horizontal motion for absurdly complex dance moves. So, I'm filling in that gap by posting OK Go's 2009 video, via Steven Lehrburger

Also: this is a lesson in technical affordance. If one can do something with a machine, people will figure out how to do it. 

Lastly: I want to go to the gym where this is one of the fitness classes. 

This article available online at:

http://www.theatlantic.com/technology/archive/2013/01/what-treadmills-were-made-for/266775/