San Francisco, UNITED STATES: Apple Inc. CEO Steve Jobs (lower left) and Apple Vice President Phil Schiller (on screen) demonstrate iChat Video Conference with upside down image special effect during Jobs' keynote address on the opening day of the Apple Worldwide Developers Conference 2007 (WWDC 07) at the Moscone Center West in San Francisco, California 11 June 2007. Developers and IT professionals from around the globe come together for the Apple Worldwide Developers Conference that runs 11-15 June to connect with Apple engineers and get a firsthand look at the latest technologies.