4. Apple Introduces the iPhone
When Apple first teamed up with Motorola for the ROKR, many laughed it off as a horrible mistake. Steve Jobs was one of those people. Looking to take another crack at developing an Apple phone, his team took to the lab and created the phone that would leave every handset maker scrambling to keep up. With quick, intuitive software, beautiful industrial design, and never-before-seen touchscreen gestures, the iPhone changed completely changed the mobile phone game.