Sources: (On Air) ACT 1 based on Nielsen Audio Nationwide, Spring 2015, All Programming (incl. newscasts), Persons 12+ © 2015 The Nielsen Company. May not be quoted or reproduced without the prior written permission of Nielsen. (Online and apps) Google Analytics, 3-month average, July-September’15. (Podcasts) Splunk, June-August ’15. (Discuss content) NPR Impact Study, Lightspeed Research, October 2013.