The introduction of the iPhone 3G S, presented by Phil Schiller at WWDC 2009.
The iPhone 3G S is a faster, more powerful version of the iPhone 3G, with the S standing for Speed. It also has longer battery life, a new 3.0 Megapixel camera with auto-focus + video recording, some new software features like Voice Control and Digital Compass, and now offers up to 32GB of storage memory.
Part 1
Part 2