Sources: (On air reach) ACT 1 based on Nielsen Audio Nationwide, Spring 2016, All Programming (incl. newscasts), Persons 12+ © 2016 The Nielsen Company. May not be quoted or reproduced without the prior written permission of Nielsen. (Online reach) Google Analytics, 3-month average, August-October 2016. (Engagement): (NPR Listeners) Lightspeed Research, State of Sponsorship Survey, April 2016. (NPR.org Users) Lightspeed Research, State of Sponsorship Survey, August 2015; NPR Impact Study November 2015; (NPR Podcast Users) NPR Podcast User Surveys, Spring 2016.