That's right. It's ok to touch your PC.
As a matter of fact, you can do more and have more fun by simply touching the PC screen!
Think about flipping through a book "electronically" without using the mouse but your finger. Or play the piano with your PC screen by simply touching the "virtual keys."
This multi-touch Microsoft Surface technology will ultimately enhance the next-generation Windows experience - i.e. Windows 7.
Check out the video demo below and tell your friends about it over beer or cocktail.