For convenience, the following are instructions that may apply to your mobile device, though please note that the setting features may vary from device to device.
Devices with Google Play services 4.0 and above use the Google Android Advertising ID(AAID). To learn more about limiting ad tracking using this identifier:
Open the Google Settings app on your device
Select Opt out of interest-based ads
Devices with iOS 6 and above use the Apple Advertising Identifier(IDFA). To learn more about limiting ad tracking using this identifier: