Apple's 'incredibly private' Safari is not so private in Europe

"The way Apple has added support for third-party app stores lets any website, when visited by Safari on iOS at least, to ping a chosen approved software marketplace with a unique per-user identifier. That means as users move from website to website, or use a website, these sites can quietly disclose that activity to a non-Apple app store – revealing the sort of things individual netizens find interesting. That info can be used for targeted app promotions, ads, and so …

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