The new system works just like the old one, but has been optimized for over-the-air data transfer. It still relies on Apple's servers as a go-between to send audio alerts, text messages, and badge notifications. Users still have to fire up the application to get at the data, though.
March 17, 2009 2:31 PM PDT
Photo by: James Martin/CNET
| Caption by: CNET News staff
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