In Pictures: 15 iPhone apps that changed our world

The first iPhone hit the market less than five years ago -- and shook up our world. Now iPhone sightings are everywhere, with Apple lovers listening to music, playing games and staring into tiny screens. The last holdouts are coming around and finally getting a smartphone. Most people feel lost without their iPhones. Can you live without these iPhone apps?

Banking Apps

Mobile banking apps are more than just a convenient way to pay bills and check balances. Some let you even deposit checks by capturing an image of the check via the camera or deposit money straight to a friend's account. We've all been at a store or restaurant and suddenly realized we needed to transfer funds to cover the bill. Now we just whip out the iPhone and fire up the banking app. Before the iPhone, we would have to plead with the restaurant manager: "Can I run to the bank and come back to pay this bill?"

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