How to use the Home button on your iPhone 4
The Home button on your iPhone 4 is a bit of a jack of all trades, useful for accessing a number of features on your phone. Here’s how you can make the best use of this [...]
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http://iphonetouch.blorge.com/2010/09/15/how-to-use-the-home-button-on-your-iphone-4/