It will set you back about $3.00 to purchase the software. Los Angeles has over 800 dealers alone. Patients do need a prescription though. What is the name of the program: “Cannabis”, so I believe geographic location here might be important. The official website can be found here.
They have a Twitter page too, but I only saw 80 followers, but that might tend to grow quickly. BD
Apple is the latest to offer an electronic means to find cannibus clubs -- dispensaries of medical marijuana in states where it's legal. A new application for the iPhone enables people to locate such dispensaries.