Reminds me of the studies done of walking pace in cities. Researchers discretely measure off a known length stretch of sidewalk and then secretly time a bunch o

Reminds me of the studies done of walking pace in cities. Researchers discretely measure off a known length stretch of sidewalk and then secretly time a bunch of people walking it, with interesting results ("people in fast-moving cities are less likely to help others and have higher rates of coronary heart disease"). Radiolab podcast from 2010: http://www.radiolab.org/2010/oct/08/ http://www.radiolab.org/2010/oct/08/ Paces in different cities: http://www.richardwiseman.com/quirkology/pace_home.htm http://www.richardwiseman.com/quirkology/pace_home.htm