AccessNow just launched a new, revamped tool to test whether mobile carriers are injecting super-cookies to track you. Test your mobile here. Make sure you turn off your Wifi, and turn on your mobile data.
It is reported that American mobile carriers use super cookies to track their customers, even when they delete cookies. Three members of the U.S. Congress signaled their move to hold Verizon accountable. Verizon mentioned their intention to make a ‘Super Cookie’ tracking opt-out but EFF said that users cannot easily opt out.