An Article examining digital advertisers' and tech companies' shift away from using third party cookies to track and target consumer behavior across websites, apps, and other online platforms due to increased global privacy regulation and consumer concern. This Article discusses the digital advertising regulatory landscape including the EU ePrivacy Directive, GDPR, CCPA, and other US state consumer privacy laws, emerging alternatives to third-party cookies, and best practices for businesses to develop a privacy-focused, post-cookie digital advertising strategy.