The iPhone, the device which redefined the mobile phone and helped make Apple the most valuable company in the world, marks its 10th anniversary tomorrow. It was on January 9, 2007, that late Apple founder and chief executive Steve Jobs went on stage at the company’s Macworld event to announce the tech giant was to reveal “an iPod, a phone and an internet communicator” – but rather than three separate products being revealed, one of the first truly smart phones was unveiled.