TAG | evercookie
It looks like Microsoft got caught using “evercookie” or “supercookie” technologies to recreate tracking cookies even after users have tried to delete them from their browsers. Sneaky tracking code (finally) purged from Microsoft sites • The Register
I am very excited that we have finally released our new free “Anonymizer Nevercookie” product. You can download it here from our facebook account. It enhances the private browsing mode in Firefox to protect against a whole range of new kinds of tracking cookies that currently are nearly impossible to delete.