With the launch of iOS 14.5 slated for next week, Apple's
long-awaited changes to the use of its persistent identifier known
as the "Identifier for Advertisers" (IDFA) have now gone
into effect. While this change has been explained by Apple as a
step to protect its users' privacy, it will drastically change
the ability of third parties and app publishers to collect
information on and track users through apps on Apple devices.
Apple's Changes to IDFA
As of the launch, app publishers on Apple's iOS 14.5
platform have to receive a user's permission through
Apple's new "AppTrackingTransparency" framework at
the app level in order to track a user or access a user's IDFA
for purposes of targeted advertising or advertising
measurement.
