I just returned from Siggraph 2007 a few days ago. It was a mixed collection of interesting technologies and ideas. As one would expect, the primary focus of the conference was computer graphics and related technologies, but I was primarily interested in the artistic exhibits and emerging display and interface technologies on display. [...]

I walk past this poster by Karl Bickel almost every day.  One day, to my surprise, I noticed that the artist's signature looked a lot like the Bluetooth logo.  A quick side-by-side comparison of the tiny blue logo on my cell-phone and the poster confirmed the match.  I also found this example of Karl's [...]