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iPhone 4.0 to bring multitasking, keyboard support, more

updated 02:30 pm EDT, Thu April 8, 2010

Over 100 new user features


Presenting from an event at its Cupertino headquarters, Apple has formally unveiled iPhone 4.0, the next iteration of firmware for its portable devices. The major emphasis of the code is on multitasking, allowing third-party apps to run simultaneously for the first time. People can double-tap a Home button on their device to bring up a switching interface, similar to the iPhone’s homescreen dock. They then scroll through a list to load one of the running apps.

Extensions of multitasking will allow people to interact with background apps…