hee hee. 

 http://www.boingboing.net/2008/01/25/marijuana-vending-ma.html

After cinching up your doctor's consultation, hit an AVM location to get your prescription approved, fingerprint taken, and a prepaid credit card loaded with your profile: dosage (3.5 or 7 grams, up to 1oz a week) and strain preference (choice of five, including OG Cush and Granddaddy Purple