Unlike VR goggles like the Oculus Rift, putting on the Cast AR doesn't cocoon you in another world.

ENGADGET

But I've been around others who were so into their fame they couldn't see anyone outside their protective cocoon not as long as they had fans coming up to them, because then they knew they still existed.

WSJ: Cindy Sherman

" Meanwhile, Fortune's David Kirkpatrick mused on the iPod phenomenon, declaring that a little isolation isn't necessarily such a bad thing: "Why do I, and so many others, want to cocoon ourselves off into our little music bubbles, even when we're out and about?

ENGADGET: The Pipeline: Props to Circuits, Mossberg on ultralights, Wildstrom on the PSP