usb-powered, tied into your computer, and we'll show you how we can log into our computer, manage ourswords, user names utilizing your iris. so if i take a look at this, see it turn green? voila. with this device comes a password management tool, and we can tie in any site that is we visit regularly that require our credentials. we can tie in our operating system, so whether it's mac, lennox, windows, any of those things that you go to on a regular basis that require an authentication we can tie with your iris. so you can set these dynamic, long passwords and essentially fit forget 'em because now we've got something that's much more secure to authenticate and validate. >> host: where does the image of the iris -- is it stored somewhere? is it stored in the cloud? in this device? >> guest: we create a mathematical representation of them. so the only thing that's stored on this device is a unique code only to you or to any user that's authorized to use this device that's been enrolled on it. so it's about as secure as you can possibly get in terms of security. >> host: we were talking