Sometimes Rand McNally just doesn't get the job done. If you've ever tried to read the street number on a building from a moving car in Seattle traffic, you know what we mean. Well a couple of UW grad students are building something that could make finding your way in a big city easier. Urban Archives is trying to record historical information about a city--think of it as real-time archeology. While it's primarily there for art history types, the mapping mashup possibilities are endless.