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"Localhost tracking" explained. It could cost Meta €32B
You just can't finish off Zuckerberg.
Meta devised an ingenious system (“localhost tracking”) that bypassed Android’s sandbox protections to identify you while browsing on your mobile phone — even if you used a VPN, the browser’s incognito mode, and refused or deleted cookies in every session. The Meta Pixel script also sends the _fbp value in a request to https://www.facebook.com/tr along with other parameters such as page URL (dl), website and browser metadata, and the event type(ev) (e.g., PageView, AddToCart, Donate, Purchase). “The Meta Pixel script also sends the _fbp value in a request to https://www.facebook.com/tr along with other parameters such as the page URL (dl), website and browser metadata, and the event type (ev) (e.g., PageView, AddToCart, Donate, Purchase).”
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