This isn't good news for app developers and advertisers who rely on targeted advertising for revenue. They are seeing their worst fears realized. Looking at you Facebook.
For users of iPhones and iPads, this feature has been a big hit. With iOS 14.5 and iPadOS 14.5 App Tracking we now have the option to not be tracked. According to Flurry Analytics, owned by Verizon Media only 4% of US users have enabled App Tracking.
Are you getting the message Facebook?
Full disclosure: I'm a long-time critic of Facebook and have never had an account.