Gadget News Today about  Apple iPhone 4.0 OS  update with Multitasking. Rumors are circulating that Apple iPhone 4.0 OS up date include an updated interface with widgets in addition to apps; speed improvements; and a lock screen that displays texts, e-mails, and other alerts. Apple  is bringing “full-on solution” to multitasking via the upcoming 4.0 software update, they didn’t mention anything about how the company would optimise the technology to make it resource efficient and less taxing on battery life.Rumor from Gizmodo is predicting that the feature may look similar to Expose on Mac OS X.May be  Apple iPhone 4.0 OS  update with incorporation of the highly-yearned feature.