The Effect Of Walking On Creative Thinking

I recently finished reading Daily Rituals: How Artists Work - a fun little book describing the daily routines of a few hundred well-known creative people - writers, painters, composers, etc. Many included a walk at some point in their day.  I just came across this article in Entrepreneur summarizing a scientific study of the effect of walking on creativity. Check it out: http://www.entrepreneur.com/article/235132.