Top 5 Reasons I'm Totally Stoked About iPhone 4
The great thing about the iPhone is that it holds its usable value particularly well -- Apple upgrades the iPhone operating system every year to add new features, for example. By offering predictable, feature-rich upgrades, owners of older iPhones can still get in on some of the latest Apple goodness even if they are still locked in the throes of their cellular service contract.
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