Edit this Published in Freakonomics Radio What Do Skating Rinks, Ultimate Frisbee, and the World Have in Common? Listen 46 min Queue Download this audio Want to embed this player? Use the code below. More info. <iframe frameborder="0" scrolling="no" height="130" width="100%" src="https://www.wnyc.org/widgets/ondemand_player/wnyc/#file=/audio/json/332242/&share=1"></iframe> Share on Facebook Share on Twitter Email a Friend Spontaneous order is everywhere if you know where to look for it.