Multitouch mutlitasking pixel

I stumbleupon this amazing video of 8 feet touch screen of high performance computing. 
In this video you’ll not only see multi-touch feature but some times you’ll notice two different activities performing four hands simultaneously, now thats some multi-tasking. 
Perceptive Pixel multi touch
PS: I think I cannot embed it on my blog.
I dont have more infomation about this video, if you know about it’s background / history please share.