Joanna Stern and Apple's Software Chief Talk App Tracking Transparency

If you updated to iOS 14.5, you might have noticed the apps on your iPhone asking for permission to track you. That is due to a new feature called app tracking transparency, or ATT, that has sparked a backlash from developers and advertisers that depend on such data. Senior Personal Tech Columnist Joanna Stern sits down with Apple's software chief, Craig Federighi, to discuss the change and the debate it has stoked. Learn more about your ad choices. Visit megaphone.fm/adchoices