It seems something similar has already been done 4 years ago... to little success it would seem. I found references to the
Toshiba SD-Book in a couple of places.
http://www.technovelgy.com/ct/Scienc...asp?NewsNum=64
http://www.infosyncworld.com/news/n/4725.html
Edit: the Toshiba SD-Book does not look like it had the unique orientation ability that the device of interest in this thread has.