Mozilla’s Firefox confirms it’s testing “Global Privacy Control” for rollout

It’s been a year since Mozilla and DuckDuckGo announced plans for global opt-out capability to let users say “no” to sale of their data without having to go site-by-site. California’s privacy law now requires that companies that collect its residents data must comply with opt-out requests that are sent through Global Privacy Control, so once Firefox is ready to launch the tool, it can have significant impact.