We have the nerdiest graffiti in San Francisco. Lower Haight Fibonacci series: http://flic.kr/p/9fnZfE. More: http://flic.kr/tantek/tags/hfibo
etc. it kept going, made some right angle turns on the sidewalk and eventually ended up at the door to the Noise Pop-up Shop which just opened: http://www.haighteration.com/2011/02/noise-pop-up-shop-launching-on-fillmore-tomorrow.html Suspicious.