At the “Augmented Human ‘13″ conference, Japanese researchers, Hiroaki Sasaki, Tsutomu Terada and Masahiko Tsukamoto will present: A System for Visualizing Human Behavior based on Car Metaphors (link).
The researchers will, "propose a system for visualizing the user context by using information presentation methods based on those found in cars, such as wearing LEDs as brake lights, which can be seen by surrounding people...more..."