Discussion Topic: Shoot Better With Your iPhone?

From _Fox News:
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_Is your iPhone or iPod Touch a bit too, well, artsy? Not rugged or manly enough for your taste?
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_Here's the solution: the Bulletflight ballistics calculator, which predicts the trajectory of bullets fired from high-powered sniper rifles by taking into account half a dozen variables including wind speed, distance, outside temperature and altitude.
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_After digesting all the information, Bulletflight tells you where exactly on the sniper scope you should position your target in order to hit it.
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If this were available for sporting rifles, would you use it?