Siggraph Asia 2008. 

[un]wired is an installation that visually and sonically interprets wireless network traffic, and can be shaped by any personal electronic device including wifi, bluetooth, car key fobs and cell phones.  

http://www.siggraph.org/asia2008/ 

More than 3,200 artists, researchers, developers, gaming experts, filmmakers, and academics gathered at Suntec City over four exciting days to discover new products, talents, technology, and techniques in the digital media industry. In all, a total of 49 countries were represented in an array of thought-provoking works and breakthrough ideas presented at the conference

More Information: www.siggraph.org