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Since everyone has the FB/Insta/WhatsApp apps installed, how can Apple prevent users from being tracked?

I would think when a user visits a web page, that page can deliver an insane amount of fingerprinting data along with the IP to FB. So it is easy for FB to correlate it with the users accounts which are phoning home on the same IP.

Other apps can send even more data to FB then a website. Seems hard to imagine FB can not figure out it is coming from the same phone.

discuss

sonotmyname|5 years ago

Easy to imagine a world where not everyone has those apps installed - my home is a great example. Also, it’s easy to imagine a huge building full of people who all connect to the internet using one (or maybe a small handful) of nat’d IPs. Maybe we could call that an ‘office’...

I look at it this way - if this cross-app tracking BS wasn’t so important to FB, they wouldn’t have their panties so wadded up about it.