If you are at all familiar with the Zip Car model of car-sharing,
then you should already undersand how bike-sharing works. Essentially, in a bike-share program bicycles are made available at special kiosks or racks that are strategically placed around a city. Users can access the bikes 24 hours a day, either by inserting a credit card or by paying an annual fee for a membership card. The bikes can then be returned at...]]>