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iPhone New iOS Age Verification Sparks Outrage as Users Say 'I Will Switch to Android'
(www.ibtimes.co.uk)
This is a most excellent place for technology news and articles.
Facebook had lobbied so that the age verification is handled by the device rather than the application. The applications then need to check against this device API and conform accordingly.
This ends up cheaper for Facebook and opens up for future legislation to embed similar shit in the OS for companies to exploit.