What the Decline of IDFA Means for Marketers

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We take a look at Apple's privacy and IDFA changes in iOS 14 and what they mean for AdTech and in-app mobile advertising and measurement

Advertisers loved the ability that IDFAs give them to accurately track users of iOS devices A particular iOS device being assigned a single IDFA means that if IDFA is a like a typical, yet random, serial number that is assigned to each iOS-powered device Unlike UDID, IDFA is non-permanent and may be

play goonies Definition: abbreviation IDFA is a persistent unique identifier assigned by Apple to individual devices like iPhones and iPads We take a look at Apple's privacy and IDFA changes in iOS 14 and what they mean for AdTech and in-app mobile advertising and measurement