[btown]

Chrome has profiles for this as well. You can also use the PrivateInternetAccess addon which proxies all traffic for that profile alone, and a canvas blocker, in a dedicated Chrome profile. Font fingerprinting is still possible, but beyond that there is no way to associate that profile with anything else.

[simooooo]

I wouldn't be so sure. Screen resolution, Machine time, flash version, fonts. Plus several others I forget