The issue focused on user privacy and security and gave details about several privacy issues (such as fake cookies and tracking), why those issues matter and how we can fix them. You can read more about it here: https://blog.developers.google.com/security/2013/04/preventing-fingerprinting-malware.html You can read more about how Google Chrome handles cookies here: https://blog.google.com/chrome/cookies/tag/cookies You can read