Apple CEO Time Cook shared in a tweet about the capability of the App Tracking Transparency feature of iOS14. The system update will require apps to ask users for their permission before they track them as they move between apps and services. However, Facebook isn’t that pleased with this move because they are saying it will impact the ability of small businesses to market and advertise their business.
Source: https://www.imore.com/tim-cook-tweeted-about-app-tracking-transparency-and-its-easy-see-target