1.Map beautifully designed from the ground up (and the sky down)
2.Integration of Facebook with iOS
3.shared photo streams.
4.Passbook - boarding passes, loyalty cards, retail coupons, cinema tickets and more all in one place
5.Facetime - on mobile network as wifi
6.changed Phone app - *remind me later, *reply with message.
7.Mail - redesigned more streamline interface.
8.Camera with panorama .