Mozilla’s system only measures the success rate of ads—it doesn’t help companies target those ads—and it’s less susceptible to abuse, EFF’s Lena Cohen told @FastCompany@flipboard.com. “It’s much more privacy-preserving than Google’s version of the same feature.”

https://mastodon.social/@eff/112922761259324925

Privacy experts say the new toggle is mostly harmless, but Firefox users saw it as a betrayal.

“They made this technology for advertisers, specifically,” says Jonah Aragon, founder of the Privacy Guides website. “There’s no direct benefit to the user in creating this. It’s software that only serves a party other than the user.”