In my experience, airline flights are often unproductive because I'm very wary of showing confidential client information to everyone who has a chance to oogle my laptop screen. I've seen privacy shields, but the guy who can glance between the seats is probably within its field of view. Now, the clever folks at Mitsubishi Electric Research Labs have come up with a combination of hardware and software that limits what can be read to the wearer of special ferroelectric glasses. I don't pretend to know what that means from a scientific point of view, but it looks promising and the photo from the MERL website makes sense. For more info, check out: MERL � Privacy Enhanced Computer Display.