Limit ad tracking (LAT) is a feature available on iOS devices that allows users to choose whether they would allow advertisers to receive the data generated from their activities and interests. This data is called IDFA (Identifier for Advertisers), and advertisers use it to create personalized ad campaigns. By turning on LAT, the user's device will not have IDFA and will no longer send user data to app developers, advertisers, and other third parties. As a result, the user who turned on LAT will no longer receive personalized ads.
For users, LAT can be a method that can help to protect their privacy by preventing their data from being collected and shared without their knowledge or consent.
From the perspective of mobile marketers, LAT is an important feature to consider for several reasons.