Geek Graffiti Takes On New York
An article in Wired looks at the use of LED-throwies and chalk by geeks trying to make messages beyond the spray can.
[One] development is the Electro-Graf, a technique that lets street artists embed LEDs, motors, solar panels or other electrical objects into a wall using conductive spray paint. Electro-Graf techniques give traditional tags a vibrant shine or even moving parts.
Wired News: Geek Graffiti Takes on New York