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Under the 'PC-free' ethos that iOS 5 seems to have, users can now delete, add and rename calendars directly from an iOS 5 device; previously requiring a iTunes connection to do this. Attachments are also accessible through the calendar without the need to switch applications, and of course -- iCloud integration, so all your calendars synchronise across devices.
Following on from the 'PC-free' ethos, iPod touches, iPads and iPhones running iOS 5 no longer need a PC or a Mac to perform software updates or synchronise their iTunes. All they need is a Wi-Fi connection and users can update or synchronise their iTunes and operating system wirelessly.
Newsstand allows users to download magazines and newspapers from the iTunes App Store. Newsstand is similar to iBooks in a way, but allows you to download up to date magazines and newspapers in the App Store. You can read all kinds of content straight from your iOS 5 device -- as though you were reading it with that magazine or newspaper physically in your hand.