The one question Apple never answers at keynotesâtheir opinion is implicitâ is always the most pertinent: Should I buy this new thing? Here's a simple guide: Steve Jobs lobbed a few surprises today, but almost all of iPhone 4's new features were established back when we published it in April, and when Apple showed the world OS 4 (now known as iOS). Now as it was then, it's an impressive piece of hardwareâbut is it worth your finances? First: How Much Will It Cost? This will be the largest
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