Apple has given us our first look at the future of iOS. The newest version, iOS 7, has been officially unveiled during the keynote presentation at this year’s Worldwide Developer Conference, whereApple CEO Tim Cook called it the world’s most advanced mobile operating system, with sales reaching 600 million compatible devices.

Cook called it the biggest change to the iOS since the iPhone was introduced, and confirmed its new design. An introduction video with Apple designer Jony Ive gave