They're the major features. Steve used that term in his presentation for iOS 4.0: http://www.techrepublic.com/blog/smartphones/apple-iphone-os-40-a-look-at-the-

They're the major features. Steve used that term in his presentation for iOS 4.0: http://www.techrepublic.com/blog/smartphones/apple-iphone-os-40-a-look-at-the-seven-tentpole-apps/ http://www.techrepublic.com/blog/smartphones/apple-iphone-os...