Supercookies are not a good thing for the user.
The WSJ says that Hulu and MSN, among others, have been found using supercookies to monitor the info of those who visit their sites. Extremely difficult to detect and erase, supercookies can provide significantly more information than standard cookies.
Supercookies can be used to steal a users entire browser history, which can provide highly valuable information on their financial and health status. Microsoft claims they don’t know why supercookies were being used…
Continue reading… “Hulu and MSN caught using supercookies to track user data”