“During the four-day period, about 26,000 devices were identified on the Las Vegas Strip. Some of those same smartphones also showed up in every state on the mainland except Maine in those same four days. About 3,700 of the devices were spotted in Southern California in the same four days; about 2,700 in Arizona, with 740 in Phoenix; around 1,000 in Texas; more than 800 in Milwaukee, Detroit, Chicago and Cleveland; and more than 100 in the New York area.” ProPublica: Cellphone Data Shows How Las Vegas Is ‘Gambling With Lives’ Across the Country. (In short, we’re endangering one another and being tracked while we do it.)