Apple Just announced and demoed features of their next release of its iPhone OS (iPhone OS 4), Steve Jobs and company stepped on the Cupertino stage and wowed us with all of the good stuff!! , here’s a brief summery of all the exciting new features :

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  Multitasking

  It’s here, finally. It’s handled with a simple task switcher: double click your home button, and you get a list of running apps. Select, switch, done. Multitasking is limited to audio (Pandora!), VoIP (Skype!) and GPS (Navigation!).

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  Folders

  Organize apps into folders with drag-and-drop simplicity. Get faster access to your favorites and browse and manage up to 2160 apps at once — many more than the current limit of 180 apps.

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  Even Better Mail

  See messages from all your email accounts displayed together in a unified inbox, switch between inboxes more quickly, organize messages by threads, and even open attachments in third-party apps.

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  iBooks

  The best way to browse, buy, and read books on a mobile device. Easily flip through the pages of a book you’ve downloaded from the iBookstore while listening to your music collection. Browse tens of thousands of books — many of them free — by title, author, or genre. You can even check out reviews and read sample pages before you buy.

  iAd

  iAd is a breakthrough mobile advertising platform from Apple. With it, apps can feature rich media ads that combine the emotion of TV with the interactivity of the web. For developers, it means a new, easy-to-implement source of revenue. For advertisers, it creates a new media outlet that offers consumers highly targeted information.

  For more in-depth details on all these exciting features, you can read on these sites : Gizmodo , Engadget , MacRumors