Apple today announced that CEO Steve Jobs will kick off its Worldwide Developers Conference (WWDC) with a keynote on Monday, June 28, 2004, beginning at 10:00 a.m. PT at San Francisco’s Moscone West. This year’s keynote will include a preview of “Tiger,” the next major release of Mac OS X. “Innovation never sleeps,” says Apple on the site. “Preview the highly evolved Mac OS X v10.4 ‘Tiger.'”