iOS 6 appears to be a great update, with many new and useful features for iPhones and iPads--but the changes aren't so radical that you'll have to learn the OS all over again. Apple has made important changes to Music, iTunes, Maps, and Siri. It has added Facebook and Twitter integration, and a useful location-based feature called geofencing.
Twitter also has been added to Settings. Additional options include the ability to work with Instagram as the built-in picture-taking tool for Twitter.
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