One other thing. FTA:
"The long-term goal," Hornak said, is "ubiquitous use" of biometrics. A traveler may walk down an airport corridor and allow his face and iris images to be captured without ever stepping up to a kiosk and looking into a camera, he said.
"That's the key," he said. "You've chosen it. You have chosen to say, 'Yeah, I want this place to recognize me.' "
Why should we be forced to even decide I want this place to recognize me, especially a public place? This is from an egghead college guy too, not a Fed.
Reminds me of that wonderful line from Jurassic Park - Your scientists were so concerned about whether they could, that they never asked if they should!
Amen.