An Explanation of the News From Apple - NYTimes.com: On Monday morning in San Francisco, I watched the new Apple C.E.O., Tim Cook, give brief remarks at the beginning and the end of the keynote presentation at the Worldwide Developers Conference, which will apparently become what the old Macworld Expo used to be: a place for Apple to take the wraps off its latest inventions. He handed off the actual announcements to his lieutenants.