The American Civil Liberties Union (ACLU) has raised privacy concerns about developer access to the facial expressions of iPhone X users. In particular, they say that Apple allows developers to capture facial expression data and store it on their own servers.
When the iPhone X was launched, Apple was careful to stress that the 3D face recognition model used by Face ID was stored only on the phone itself. The data is never transferred to Apple servers. But the ACLU says that app developers are allowed to transmit and store some face data …
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