The basic premise before was to detect a camera's CCD (it is retro-reflective), then blind it with a rapidly-changing sequence of bright light from a projector to prevent the camera from compensating. Might not work with modern cameras, and might be in-feasible in your environment, but there's the info.
Any decent HCI text will tell you the same thing. This has been known for a few decades now.
That doesn't change the original point of KZigurs -- even if you watch in 2D, there are still pointless scenes of things being thrown at the camera or poked at it that in no way make the story better. It reminds me of the old SCTV sketch about Midnight Cowboy in 3D, where John Candy constantly picks up objects and pushes them toward the camera during peaceful dialog.
By "'geek' technologies tied to accounts", I am thinking about things such as Dropbox, Netflix, Hulu, smartphone plan, iTunes, iCloud, Xbox Live, etc., etc., etc. Will various forms of DRM on games, apps, music, and movies fail? How much is tied to where your account officially lies and where it shows up by IP address (say when streaming a movie)?"
What about all the pony news?
Oh, and a little custom field + auto-file magic and I get my papers organized by my assigned order-to-read.
Also, if it's useful at all, my background is human-computer interaction research (so a lot of ACM proceedings papers).
May not fit your desires, but I have been very happy with my first gen iPad + iAnnotatePDF. Combine that with Dropbox, BibDesk (with auto-file), and I now have a database of all the papers I have read / want to read + annotations + all highlighted text searchable.
I'm going with Element Zero.
iCabMobile has had this same warning ever since I bought it and it's just an alternate interface to WebKit.
I was recently reading some of Hutchin's work on distributed cognition (including "How a Cockpit Remembers its Speeds"), and was a little curious about more modern aircraft cockpits (since the socio-technical system he was describing was probably considerably more technical now). I had the same concern about lingering near the cockpit on my last flight, but I just asked the attendant if I could speak to the pilot, and was politely allowed to do so...
Probably just depends on whether or not the person is either (a.) overly concerned and diligent (and unable to make an assessment of what is reasonable) or (b.) has a far overdeveloped sense of authority and needs to boss someone around.
Of course, when I was a kid, you almost always got to see the cockpit...