Does the iWatch need the iPhone around at all times to work? Or can you leave phone behind for going running and stuff?
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I suspect it syncs when in range, but there doesn't seem to be gps (or wifi) on the phone, so you'd have to run with it.
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dammit :( I hate running with phone. Also looks like watch can't independently do music, though it is nano form factor.
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GPS is needed "but you'll need your iPhone's GPS for tracking a run" engadget.com/2014/09/09/app
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