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But don't panic if you don't see any major improvements yet. There are a few additions, over 200 features in fact, for which will become apparent as this gallery runs through a few of them. The main screen looks mostly the same from previous versions of iOS, so the vast majority of users will not be thrown off at a wild tangent.
Twitter is deeply integrated into the new iOS 5. Though there is little sign of Facebook, other than being able to download it through the iTunes App Store, Twitter is natively ready to go and be installed.
It will appear, once you begin downloading it, on the main screen. Depending on your mobile network speed or your wireless network at home or work, it may take a few seconds or a few minutes to download. Once it is installed, you will be able to tweet almost anything from anywhere else in iOS 5.