think different

Developed in great secrecy under code name Project Purple, the first generation of the iPhone—given the retronym 2G to establish its place in the lineage among some thirty-three different models made, Apple Chief Executive Officer Steve Jobs introduces the public to the concept of the revolutionary, universal smart mobile phone on this day in 2007 during a keynote address during the Macworld Expo in San Francisco. Models would go on sale at the end of June, on the anniversary of the first trials of the Apple I by Steve Wozniak back in 1975.