Anecdotal, but I've noticed you can get a pretty good sense of the wealth level of neighborhoods in my city by who's out on the sidewalks on a summer weekday mo

Anecdotal, but I've noticed you can get a pretty good sense of the wealth level of neighborhoods in my city by who's out on the sidewalks on a summer weekday morning: skinny kids and overweight adults, all walking? Poor neighborhood. Skinny good-looking joggers? Rich neighborhood. The more attractive the average jogger, the richer it is.