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Re:Apple to Allow Background Tasks on iPhone? by wmf on Tuesday February 03, 2009 @03:54PM (#464649)
Hopefully they will cap processor utilization of background apps so they still work without sucking power.
Re:Apple to Allow Background Tasks on iPhone? by iigs on Tuesday February 03, 2009 @04:49PM (#464747)
My experience with a Blackberry was that background data (polling, tcp keepalives) were the worst of the battery draining. Unfortunately that kind of stuff would work better with a notification API.

At one time UNIXes were all about time sharing and quotas. I think bringing some of that back (certainly with different controls and interfaces) would be beneficial.