アップルから公式発表があり、WWDC 2011ではMac OS X LionとiOS 5、そしてiCloudが発表されると公式リリースが出ています。 CUPERTINO, California--May 31, 2011--Apple® CEO Steve Jobs and a team of Apple executives will kick off the company's annual Worldwide Developers Conference (WWDC) with a keynote address on Monday, June 6 at 10:00 a.m. At the keynote, Apple will unveil its next generation software - Lion, the eighth major release of Mac OS®