It may also be used to indicate an opt-out of targeted advertising or general request to limit the sale or sharing of your personal data in those jurisdictions, as well as in jurisdictions such as the EU, UK, Nevada, Utah, and Virginia.
Click Learn More and you'll find out that 'GPC operates as a 'Do Not Sell' mechanism in some US states such as California, Colorado, and Connecticut. Jack Wallen/ZDNETĪccording to Mozilla, the Global Privacy Control (GPC) is used to automatically notify websites not to sell or share information about your browsing session on that website.
The new Firefox privacy and security feature should go a long way to protect your privacy.
