AT&T Wireless CEO Ralph de la Vega said that tethering is coming to the iPhone 3G "soon." Using the iPhone as a wireless modem to share Internet access with a laptop has been off limits to owners of the device so far. But on Thursday, AT&T Wireless CEO Ralph de la Vega said that tethering is coming to the iPhone 3G "soon." De La Vega spoke at the Web 2.0 Summit in San Francisco, where he was interviewed by TechCrunch's Michael Arrington.