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- push notifications (APNs) Almost every Apple device is constantly connected to these servers. https://en.wikipedia.org/wiki/Apple_Push_Notification_service

by jannes 5y ago

- push notifications (APNs) Almost every Apple device is constantly connected to these servers. https://en.wikipedia.org/wiki/Apple_Push_Notification_service https://en.wikipedia.org/wiki/Apple_Push_Notification_servic...