DA VINCI CODE (GPS) used by symbolist Robert Langdon
December 18, 2006 11:59pm CST
It's a work of fiction but represents itself based on facts. I'll give the link to understand more about the Da Vinci Code. http://entertainment.howstuffworks.com/davinci-code.htm Below is the image I uploaded, it is the GPS (GLobal Positioning Satellite) a mettalic button shape like size of watch battery.