The original iPhone changed phones as we knew them, but iPhone 4S was a game-changer, too - The Verge

Remember compact digital cameras?

Is iPhone 8 worth it to buy in terms of its capability and longevity? - Quora

Rumor: iPhone 4S to debut at WWDC, after all

If Steve Jobs was alive, would Apple have still built bigger phones? - Quora

Look Back at CNET's Original iPhone Review - CNET

Here's How Much (or Little) Apple's iPhone Has Changed Through the Years - Bloomberg

What's new in iOS 6?

Four-inch iPhone concept gets mocked up

Apple iPhone 5C vs. iPhone 4S: Battle of the Low-Cost iPhones

iPhone Know Your Meme

It had us at Hello: The iPhone turns 10 - CBS News