(1) The document discusses Apple's efforts to secure and protect consumer data through restrictions on third party data collection and tracking, beginning with the iOS 14.5 update in 2021. (2) This update included new privacy features like App Tracking Transparency that allow users to choose whether apps can track their activity. (3) As a result of these changes, many users opted out of data sharing, significantly impacting advertisers and businesses that relied on third party data collection.