Google Says It May Have Found a Privacy-Friendly Substitute To Cookies
Google says its new machine learning algorithms could replace cookie-based ad targeting without invading your privacy. Axios reports: Google has been testing a new API (a software interface) called Federated Learning of Cohorts (FLoC) that acts as an effective replacement signal for third-party cookies. The API exists as a browser extension within Google Chrome. The company said Monday that tests of FLoC to reach audiences show that advertisers can expect to see at least 95% of the conversions per dollar spent on ads when compared to cookie-based advertising. FLoC uses machine learning algorithms to analyze user data and then create a group of thousands of people based off of the sites that an individual visits. The data gathered locally from the browser is never shared. Instead, the data from the much wider cohort of thousands of people is shared, and that is then used to target ads. It's a big deal that Google says it's close to coming up with a technology that will replace cookies, because one of the toughest parts of phasing cookies out of internet ad-targeting is that there hasn't been a great solution for what to replace them with. [...] Google has other proposals to replace cookies in the works, so it's not guaranteed that FLoC will be the answer, but the company said it's highly encouraged by what it has seen so far.
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