I had a great evening with Aaron while I was in San Francisco, talking books, reading, maps, photos, geo, politics, CBC, beer, Selagh Rogers, Yahoo, Mexican food, hand-waving, museums, and all sorts of other things. I had just got my iPod Touch a couple of days before, but after trying to rely on inferior technology to help me get around, I went back to my old navigation standard: drawing a map of the parts of the city I planned to be in.
Aaron took a photo: