At some point, yes, there will be an iPhone app for everything.
Add Exit Strategy to the list of ‘Things People Used to Do With Their Own Brains’.

Makes me think about all the things I use to rely on myself for – remembering peoples’ phone numbers, knowing the order of songs on CDs (and playing CDs through), and soon, where to best position myself on subway cars.
I can’t say my life is simpler or more complex with technology. Nor can I say it’s better or worse.
Just thinking out loud.
Exit Strategy via kottke