What is Localhost Tracking and how come Meta got their hands slapped for their dirty deed.

What is Localhost Tracking and how come Meta got their hands slapped for their dirty deed.

Localhost tracking is a recently exposed technique that allowed companies—most notably Meta (the parent company of Facebook and Instagram)—to covertly link users’ mobile web browsing activity to their real identities, even if users never logged into their accounts through their browsers or used privacy features like incognito mode or cookie clearing.