Mostly because it's relatively not that exciting, we've been a bit lazy in getting this story posted. The other day, via a new third party application called srelay (a SOCKS proxy server), you can now tether your iPhone EDGE connection to your laptop or desktop via WiFi. Yes, it could come in handy in a pinch, but sharing an EDGE connection with a full fledged PC isn't nearly as exciting as it would be if the iPhone were 3G.
Of course, this application and functionality is only available to you if you've hacked your iPhone. Like all other iPhone hacks, you need to start with the jailbreak hack. Once completed, you can then install srelay on your iPhone, set up a direct computer to computer WiFi connection, and off you go. The video below provides a HOWTO and demonstration of the process.
You can find lmore information on the tethering process including links to the required software here.
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