According to Apple Insider Report Apple may have already booked the Moscone Center for their annual Worldwide Developer’s Conference. In previous years, the conference has been used to introduce new iPhone models. Last year WWDC 2009 was scheduled at the Moscone Center in San Francisco, CA, and ran June 8-12 of 2009. AppleInsider has noticed that The Moscone Center Calendar lists a “Corporate Event” from June 28, 2010 through July 2, 2010 in the Moscone West hall. Previous Apple events have been reserved with the same title.
According to Wikipedia the ...