The GPS circuitry in the iPhone 3G could be used to do more -- a lot more, in fact -- than it currently does, and it looks like Apple might have an eye on an angle most people wouldn't have considered (in other words, something other than turn-by-turn). Digging through iPhoto '09's innermost sanctums has apparently revealed references to some sort of asynchronous geotagging capability, whereby selecting locations from an app on the phone (or iPod touch, as the case may be) could be transferred directly to iPhoto and associated with events -- perfect for shooting with, say, a real camera while toting your phone in your pocket. Of course, the capability is purely vestigial for now --
