I live in a city with a very comprehensive bus service, cheap, reliable, all that good stuff. Over time it became obvious that people who worked for the bus-company would just jump on the buses, chat briefly to the driver, and not pay. They'd get off after 1-15 stops and have ridden for free. I figured there were sufficiently many bus-drivers and buses that they can't all have been personally familiar to each other,…
Ignore the haters, I thought it was quite a fun project. Definitely creative.