Since 1994, third-party cookies have been a foundational tool for tracking user behavior on websites, but they have also raised significant privacy concerns, leading to global regulatory actions. Google initially planned to eliminate third-party cookies in Chrome by 2022, but following business protests, the timeline was extended to 2024, and later, Google decided to retain them while allowing users to opt-out. This decision has sparked debates about privacy, the power dynamics in digital advertising, and the challenges for publishers in monetizing content. While Chrome maintains default third-party cookie support, other browsers like Brave, Firefox, and Safari block them, creating a mixed environment that requires businesses to adapt by exploring alternatives such as cohort-based analysis, Unified ID 2.0 (UID2), and browser fingerprinting. These methods aim to balance personalization with privacy, ensuring compliance with regulations like GDPR and CCPA. Despite Google's decision, companies are encouraged to prepare for a cookieless future by adopting privacy-conscious strategies that do not rely on third-party cookies, supporting a more secure and trustworthy web environment.