BMW Integrates IPads

Report in Engadget: BMW has shown an integration of IPads into the back seats of one of their cars. Interesting and amusing. I am assuming these would then be removable as required. Click through to see more. This is a pretty easy to mock up so I am skeptical about this being an option quite yet. Is this the future of cars, an office in the back seat? Or is it just an easier way to show entertainment?