Apple iOS 4.0

As you all might know, Apple released iOS 4.0 for iPhone 4, 3GS and iPod devices. One of the major features of  iOS 4.0 is that it will bring multi-tasking to all supported devices. Apple iOS 4 multi-tasking is in such a way that it doesn’t affect the battery life and performance of the device. They have selected around seven important services and provided APIs that developers can use to implement multi-tasking in their apps. Currently there is only a selected number of iOS apps that support multi-tasking.
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