Hopstop is an awesome site that gives you detailed directions for getting around via public transportation. This is an invaluable tool for city dwellers that eliminates the need to sift through confusing maps. Unfortunately, Hopstop is currently only available for New York City, Boston, Chicago, Washington DC and San Francisco. But for those lucky city dwellers living in those areas, HopStop is now offering two other ways to use their free service for times when you ...