Welcome (again) to the 21st Century, folks.
If you are not aware of Microsoft's "Project Natal," make sure that you are.
Science fiction just dropped the "fiction."
You can read more about the video here, the link that led me to this phenomenal new interactive world.
Regarding the posted video:
Aside from my child-like wonder at the amazing "technology," my first thought had been interacting with my characters. WOW. Yes, I thought of my own first. But quickly behind came the idea of being able to have that raft ride with Huck Finn...
It's going to be a very different world very, very soon...