Apple Worldwide Developers Conference 2009. June 8-12 in San Francisco, Moscone West.
The Apple Worldwide Developers Conference (WWDC) provides developers and IT professionals with in-depth technical information and hands-on learning about the powerful technologies in iPhone OS and Mac OS X from the Apple engineers who created them.
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iPhone OS
Leverage the innovative technologies and capabilities in iPhone OS to design the next generation of iPhone apps. Learn more
Mac OS X
Dive deep into the powerful new technologies available in Mac OS X that will help you develop fully optimized, world-class applications. Learn more
WWDC Attendee Site
WWDC E-ticket holders can log in to the Attendee Site for conference updates, session and lab schedules, resources, and more. Log in
WWDC Session Videos
Session videos from the Worldwide Developers Conference 2009 are now available to purchase. Learn more