Sources: (On air reach) ACT 1 based on Nielsen Audio Nationwide, Spring 2017, All Programming (incl. newscasts), Persons 12+ © 2017 The Nielsen Company. May not be quoted or reproduced without the prior written permission of Nielsen. (Online reach) Google Analytics, 3-month average, April-June 2017. (Engagement): (NPR Listeners) Lightspeed Research, State of Sponsorship Survey, March 2017; *NPR Impact Study, NPR Listens, January 2017; (NPR.org Users) Local-National Survey on NPR.org, May 2017; NPR Impact Study November 2015; (NPR Podcast Users) NPR Podcast User Surveys, Fall 2016.