Edit this Published in Freakonomics Radio Eating and Tweeting Listen 57 min Queue Download this audio Want to embed this player? Use the code below. More info. <iframe width="600" height="130" frameborder="0" scrolling="no" src="//www.wnyc.org/widgets/ondemand_player/wnyc/#file=json/180170"></iframe> Share on Facebook Share on Twitter Email a Friend Does the future of food lie in its past – or inside a tank of liquid nitrogen? Also: how anti-social can you be on a social network?