Quote:
Originally Posted by Badgers Nose
My NHL Gamecentre app gives me real time notifications even if I have not opened it in weeks.
LinkedIn, Facebook, Twitter, Scrabble, Gamecenter all do notifications in the background.
They all pull/push data from the Internet.
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Most likely those are through push, where the NHL Gamecentre server actually pays attention to whatever it is that needs attention, then when it needs to it'll send a push notification that either puts the little number on the icon, or presents a dialog that you can hit ok and the notification will launch the app.
They don't continuously poll data in the background.