Today at the Apple Worldwide Developer Conference in San Francisco, after the unveiling of apps for Netflix, Farmville and Guitar Hero, Steve Jobs unveiled the iPhone 4, just as everyone expected him to. Features of the device (based on these liveblogged notes from the keynote) include: - All New Design - Thinnest Smartphone ever - Stainless steel for strength - Glass for optical quality and scratch resistance - Integrated Antennas - "Extraordinary build quality" - 3.