Most modern mobile operating systems (iOS 6, Android 2.3, and Windows 10 and above) provide mobile advertising identifiers for mobile devices. These identifiers have different names depending on the brand. For example, they are called Google Advertising ID (GAID) on Android devices and Identifiers for Advertisers (IDFA) on iOS.
These identifiers are commonly used to help enable digital advertising across mobile applications. The operating systems that provide these mobile advertising identifiers tend to include built-in settings to express privacy preferences for online advertising across applications. Read Full Instructions on https://www.networkadvertising.org/mobile-choice
