Sources: (On Air) ACT 1 based on Nielsen Audio Nationwide, Spring 2014, All Programming (incl. newscasts), Persons 12+ © 2014 The Nielsen Company. May not be quoted or reproduced without the prior written permission of Nielsen. (Online and apps) Google Analytics, 3-month average, September – November 2014. (Podcasts) Splunk, 3-month average, September – November 2014. (Discuss content) NPR Impact Study, Lightspeed Research, October 2013.