You could use the keyboard and mouse to control the laptop or the computer. The range is limited though so I'm not sure if it would work through different rooms plus the screen would be hard to see. You might be better off trying something like VNC or other desktop sharing software that works on your operating system if the computers are networked.
The youtube vid brings up some really interesting points. I think more people are starting to look into the financial aspects of how the banking system is working.