Usabililty guidelines for touch screen or surface applications from SAP

Here is a link to usability design guidelines for touch-screen applications on the SAP design guild website, posted by Gerd Waloszek, of the Product Design Center.

Although these guidelines were written in 2000, they still hold true in 2007, especially now that larger touch-screen applications such as Microsoft Surface (Madrid) have recently been unveiled.


Touch Screen Design Guide