iPhone 3.0 feature overview and why it matters to you

Yesterday, Apple announced details of its latest version of the iPhone operating system.

It's available in beta for developers to download now, with the final consumer version available some time in the summer. Free to iPhone users, $9.95 for iPod touch users. Most features are compatible with original iPhone.

Here's a potted guide to some of the new features to be included in iPhone 3.0 and why you should care.

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