infographic

Nate Silver @ SVA December 3, 2014
92436965527 July 21, 2014
“Prompt” March 29, 2013
youtube.com May 15, 2012
10838421117 September 30, 2011
jess3.com September 25, 2011
10026464932 September 10, 2011
magculture.com September 6, 2011
Flickr / walkingsf July 17, 2011
The New York Times July 7, 2011
6317214187 June 8, 2011