This article talkes about the Medbox machine.... one of the biggest competitors. http://www.bostonmagazine.com/news/blog/2013/04/03/medbox-medical-marijuana-vending-machine/ It sounds fancy at first, but in the end it's just another candy bar vending machine! Signifi's machine is way better. All the I.D. verification, payment, inventory tracking... etc is all directly integrated in the machine. Medbox has a market cap over $530 million, by the way. UNGS... $1.2 million