Increasingly, this is looking like a marketing masterstroke. The latest is data Foursquare shared with Yahoo Finance, in which the location tech platform measured the difference in Nike store foot traffic between the week after Labor Day (September 4-10) and the week before Labor Day (August 21-27), then compared it to the same period in 2017, and found that overall foot traffic to 242 Nike stores in the U.S. went up by an average of 16.9%.