How To: Use your iPhone to Setup Internet Tethering, for a Windows PC, or a Mac

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Tethering, using your iPhone is now supported by both AT&T, and Verizon. Using a Mac, (with OS X 10.5.8 or later) or a Windows computer running Windows XP (with service pack 3 or later) Windows Vista, or Windows 7 and a USB 2.0 port. The latest version of iTunes is also required, no jailbreaking is needed.