Any application can send notifications without going through a server. | Hacker News

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		gertop 26 days ago \| parent \| context \| favorite \| on: FBI used iPhone notification data to retrieve dele... Any application can send notifications without going through a server.

satvikpendem 25 days ago [–]

How? I'm not talking about an application backend server but a notification server which Google and Apple have for all apps. I'm not sure besides polling or having a persistent connection to send notifications to an app while that app is not running.

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