While Google remains committed to industry-wide adoption of HTTPS, there isn’t always full compliance on third party ad networks and custom creative code served via our systems. To ensure ads continue to serve on iOS9 devices for developers transitioning to HTTPS, the recommended short term fix is to add an exception that allows HTTP requests to succeed and non-secure content to load successfully.
Google is essentially asking iOS developers to break network security and send data in plaintext — all in the name of being able to serve ads.
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Byte your tongue.