With the death of AT&T’s unlimited data plan, Cost-conscious IT administrators now need to put more effort into understanding how much bandwidth is consumed, and which option makes the most sense from both an operational and financial perspective. AT&T changed the rules for iPad data plans, removing unlimited data plan as an option after June 7.When Steve Jobs unveiled the iPad to the world in January, one of the most innovative things about the tablet device was the ability to enable or disable unlimited 3G data on the fly through AT&T without being shackled by a contractual obligation. However, AT&T pulled a little bait-and-switch, and now only two months after the launch of the iPad the rules have changed.Let’s take a look at what your options are now for connecting the iPad to the rest of the world.