This isn't really a secret. Pandora outlines their information sharing policy in their FAQ: http://blog.pandora.com/faq/contents/60.html http://blog.pandora.c

This isn't really a secret. Pandora outlines their information sharing policy in their FAQ: http://blog.pandora.com/faq/contents/60.html http://blog.pandora.com/faq/contents/60.html http://blog.pandora.com/faq/contents/392.html http://blog.pandora.com/faq/contents/392.html They also outlines their location sharing policy: You may also get a request for location permissions. This data is used to provide better geolocation for certain ad campaigns. Again, this function would always be under your control. Each time an ad wants to use your location to provide more personalized results, you will be asked for permission to use your location, and you can decline this at any time.