The iPhone 6 and iPhone 6 Plus are here, and they build on the design foundation Apple has laid since the original shipped in 2007. From then, to the rounded plastic iPhone 3 and iPhone 3GS, to the glass backed iPhone 4 and iPhone 4s, to the taller unibody iPhone 5 and iPhone 5s, to the bigger, rounder, thinner models shipped this year, here's how they all look stacked together. Enjoy!
