Google has rolled out "Privacy Sandbox," a Chrome feature first announced back in 2019 that, among other things, exchanges third-party cookies—the most common form of tracking technology—for what the company is now calling "Topics." Topics is a response to pushback against Google’s proposed...
It’s an underhanded way of implementing a browser supported foolproof adblock detector. Even its stated goal of “give advertisers a unified, browser backed, ‘private’ way of tracking you for advertising” isn’t especially appealing or useful when you get something better than that from adblock anyway. Turning it off will be reflected in telemetry sites gather about feature availability and hopefully low adoption numbers discourage them from taking advantage of this “feature”.