With all the things that the iPad is capable of doing, I can see people wanting a way to mount the thing to the wall easily. Being able to wall mount the iPad is a good way to watch video while you are in bed or use the iPad to view recipes in the kitchen. If you have a home automation system with iPad controls, mounting it to the wall makes a cool touchscreen control.
The trick is getting the iPad securely mounted to a vertical surface. A new system called the PadTab has started shipping as of today. The system is a very simply setup with a square section that attaches to the iPad or other tablet and a WallTab that can be placed on any vertical wall or surface.