Explore the evolving landscape of web cookies in this 50-minute conference talk from NDC Security 2024. Delve into the history and significance of cookies in web development, their widespread use in applications and security solutions, and the privacy concerns they raise. Examine recent changes implemented by major browsers, including Google's default SameSite behavior shift, Safari's third-party cookie blocking, and Firefox's unique cookie bucket concept. Gain insights into the challenges developers face in using cookies effectively across different browsers and learn about upcoming developments in cookie technology. Understand the impact of these changes on single sign-on systems and other valid solutions while considering the balance between functionality and user privacy.