Tethering your iPhone: Accessing EDGE from your Laptop
The instructions are a bit involved and require some knowledge of using the various hacking tools that give you more direct access to your iPhone. All the needed links/instructions are posted on the tutorial.
Forum user buzzert has posted a video accomplishing the same task (though we don't know if he used the same tutorial). The video demonstrates him browsing MacRumors from his Mac laptop.

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