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City life is often described as “fast-paced.” A study coauthored by MIT scholars suggests that’s more true than ever: The average walking speed in three northeastern US cities increased 15% from 1980 to 2010, while the number of people lingering in public spaces declined by 14%.
The researchers used machine-learning tools to assess 1980s-era video footage captured in Boston, New York, and Philadelphia by William Whyte, an urbanist and social thinker best known as the author of The Organization…
