That the X-suit isn't realistic enough. If it were that realistic, then at least one in every third house would own an X-suit.

Even people who didn't like games traditionally could easily be convinced if they found themselves fully immersed in a virtual world. So even though the X-suit has become established worldwide, people within Microsoft have found these statistics to be very unsatisfactory.

Thus people like myself and David have been commissioned to develop the next stage of the X-suit; a fully virtual world where you can smell the virtual aftershave while you rub it on, or taste the virtual pork chop when you roll it around your mouth....