To celebrate the milestone, we've collected together . We also decided to put together a potted history of the best smartphone the world has seen. From the bombshell of the first iPhone to the commercial behemoth that is the iPhone 4S, from antennagate to the prototype leak scandal, here are the significant landmarks in the iPhone's amazing history.

9 January 2007: First-gen iPhone is unveiled

Speaking at the Macworld Conference in San Francisco, legendary Apple co-founder and CEO Steve Jobs in January 2007.

It was a classic piece of Jobs showmanship. "Today, we're introducing three revolutionary products," he said. "The first one is a widescreen iPod with touch controls. The second is a revolutionary mobile phone. The third is a breakthrough internet communications device.

"These are not three separate devices. This is one device. And we are calling it iPhone. Today Apple is going to reinvent the phone."