Bickering over exact neighborhood boundaries is a regular pastime for residents of any urban area, but it's particularly exhausting in Detroit. The region's natural geography was swept away long ago for grids of single-family housing, leaving us few landmarks with which to distinguish one street from another. Despite some impressive attempts, no definitive or complete map of Detroit's many, many neighborhoods exists. That makes Click that Hood even more of a diversion. If you think you know your 'nabes, try and identify twenty random Detroit hoods as fast as you can.