[mindslight]

What techies really don't seem to get is that this has nothing to do with whether Google can track you in incognito mode due to the technical details, along with every other website. Rather the problem is that Google (the company) is offering a product that is marketed based on protecting your privacy, but then Google (the same company) is continuing to track you despite use of that product! Firefox "private window" suffers from similar technical vulnerabilities (cf the additional lengths Tor Browser goes). But failing to be perfect and/or perfectly inform their users of the vulnerabilities doesn't create the same type of liability for Firefox, because there isn't another division of Firefox actively working to track users despite their use of private window!