iPhone OS 4 will introduce seven major tentpole feature and a long list of minor enhancements this summer, Steve Jobs has announced at Apple's release preview event. The top seven features are multitasking, app Folders, Mail improvements, Enterprise features, a Games Center, and Apple's new iAd network.
Apple adds seven major features, 100 minor features in iPhone 4.0
Apple adds seven major features, 100 minor features in iPhone 4.0