Linking printed pages to the web
From: Design News - 10/06/2008

NASA's Goddard Flight Center is using Somatics Digital's eTouchBook, which
lets readers or normal and Braille printed materials to touch a printed page
and retrieve linked digital content on a computre. The Touch User Interface
utilizes a nine-electrode proximity sensor. The system is housed in the
eTouchBook hardware platform that connects to the cover and spine of a
hardcover book. 

Links:
eTouchBook
http://www.somaticdigital.com/products/

Touch And Intelligence Embedded Into eTouchBook Platform For NASA
http://www.pddnet.com/scripts/ShowPR.asp?RID=22622&CommonCount=0

Revolutionary eTouchBook Platform and Tools is Announced
http://emediawire.com/releases/2008/5/prweb955844.htm