Walt Mossberg is a very well known guy in the world of technology and gadgets. This week the tech columnist for the Wall Street Journal has given his opinion on the Apple iPod Touch. Walt will give you a nice introduction on what the iPod Touch is and what functionalities it has. Walt got to test the iTunes WiFi Music Store and he really liked the mobile Safari. He was a bit disappointed about the battery life of the iPod Touch and what he really mised is the email program that was in the iPhone.