Joe Wilcox, writing in Betanews, tells us why he was wrong about the Apple tablet that came to be known as the iPad. Way back on Jan. 2, long before the iPad was available or even named, Wilcox strongly denounced the need for a device like the Apple tablet. Yesterday, he courageously recanted. In this latest post, he discusses the immersive nature of the iPad, the iPad as an e-reader, and how the Wired magazine app is an example of what digital periodicals should be.