Right, I could definitely train existing facial recognition software on a database of people I've met. The problem is delivery; when I need this information, I'

Right, I could definitely train existing facial recognition software on a database of people I've met. The problem is delivery; when I need this information, I'm not sitting at a computer. I need some kind of device, with a camera and a way to feed me the person's name real time, that I can reasonably wear in public without looking like a walking server closet. That's hard to hack together (just ask the Glass team).