Next week, at Apple's annual Worldwide Developers Conference, the company will take the wraps off its upcoming versions of OS X and iOS. Such unveilings have become routine at WWDC, but I have a strong feeling that this year's unveilings will feel anything but routine. This is shaping up to be a critical year for both of Apple's operating systems--and the new versions of each should reflect this.Related StoriesWhat to expect from Apple at WWDC 2013: iOS 7, OS X 10.9, new Macs, iPhone 6, iPad 5?Google nixes Glass facial recognition due to privacy concerns