Tim Bajarin on iPhones/smartphones:

It now has become my GPS system, my digital camera, my flashlight, my voice recorder, etc. With the plethora of software and services available on my smartphone, its hub like nature makes it the most important digital screen in my life.

Smart post. Especially given I have been seeing more and more apps promote that the content collected by the app never leaves the app (a response to the NSA spying).