You may not have known this, but besides missing a 3G radio, the WiFi-only iPad also lacks the A-GPS chip that enables exact GPS positioning versus less-accurate WiFi triangulation. Well, according to Tablet Monsters, if you've got an iPhone with iOS 4.3 and are subscribed to Personal Hotspot, your shiny slate should be able to tap into the GPS chip of it's smaller-screened family member. Reports in the MacRumors forums confirm that people are indeed seeing this added functionality on both iPad 2 and the original. There's talk that it doesn't work in turn-by-turn GPS apps, Though the native Maps app is repo
