Video: Microsoft unveils touchscreen computing 
Published: 31 May 2007 16:09 BST
Microsoft has just announced its Surface Computing technology, a project that has been kept under wraps for five years. Using a giant table-like display, users are able to draw, interact with media and use another new technology called domino tagging, in which a real-life object on the computer's surface is identified and becomes an on-screen object that can be interacted with.






