Combine this with p0f (<a href="http://lcamtuf.coredump.cx/p0f.shtml" rel="nofollow">http://lcamtuf.coredump.cx/p0f.shtml</a>), some basic machine learning and you're all doomed.<p>By the way, browsers are generally scary thing. What about using the browser's cache for tracking? <a href="http://joshduck.com/blog/2010/01/29/abusing-the-cache-tracking-users-without-cookies/" rel="nofollow">http://joshduck.com/blog/2010/01/29/abusing-the-cache-tracki...</a><p>It's an interesting idea how to get a truly anonymous browsing, though.