also could lead to a lot of security applications, who needs passwords when you still have your face attached and if you don't then you have bigger problems then checking your email.
Ok, I didn't watch the whole video, but it looks pretty similar to the open source software "Insight3D". You can get it here: http://insight3d.sourceforge.net/
I've took a bunch of photos of various statues, etc, while I was travelling, but I haven't got around to processing them so I can't say how well it works...
This looks a lot like the work that was done by the guys at GRAIL on Bundler which ended being used in the Microsoft Photo Tourism thing. I'm yet to actually get any of it working but it all looks very cool.