i calculated based on the text here on revo board "Guys it doesn't take much research to start thinking this patent might be worth at least $100-$200 million == .20-.40PPS Take a look at the patents in particular this one below :::: ----Think about device at point of entry (scans you/voice/recognized, unlocks door which are just some of the uses, but how neat would that be to walk to my door and say open or the camera greets me when I approach and then unlocks the door) or for business same concept.."