

This android only.
From the article:
Meta managed to do this even when:
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You aren’t using the app (but have a session open in the background).
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You haven’t logged into your account in the browser.
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You’re browsing in incognito mode.
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You’re using a VPN.
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You delete cookies at the end of every session.
The captured data includes:
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Complete browsing history with specific URLs
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Products added to cart and purchases made
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Registrations on websites and completed forms
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Temporal behavioral patterns across websites and apps
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Direct linking to real identities on social networks
You’re not affected if (and only if)
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You access Facebook and Instagram via the web, without having the apps installed on your phone
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You browse on desktop computers or use iOS (iPhones)
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You always used the Brave browser or the DuckDuckGo search engine on mobile
Yes I do!
They are working towards requiring it for all travelers.
Why: Think of this as a trial working towards full automation. They aren’t there yet and are not probably legally allowed to do so, but the idea is that you can be fully tracked like the British, Chinese, and other biometric adopted countries.
Prevention: Reliability and legality. As I mentioned I don’t think they can force it in the US for travel yet as it’s not legally allowed, nor is biometrics entirely reliable as is apparent when facial recognition fails.