Apple CEO Tim Cook delivers the keynote address during the keynote address at the Apple 2012 World Wide Developers Conference (WWDC) at Moscone West on June 11, 2012 in San Francisco, California. (Justin Sullivan/Getty Images North America)
After a witty intro by Siri herself, Apple CEO Tim Cook took the stage in San Francisco to welcome developers and announce new stuff. Cook had a lot to say about the success of the app program, with 30 billion downloads of 650,000 distinct apps world