I was driving home with my girlfriend the other day and she was surprised by a turn I made, "Where are you going?" "I have a shortcut." I made a few twists and turns down some seemingly unfamiliar streets and came out on the other end of the main road avoiding entirely the usual cluster of cars trapped at a particularly painful intersection. "How did you find this?!" She was quite impressed. "I just kept kept driving through the neighborhood until I found the way out." I th