There is at least one app on the PalmOS (Treo, etc) that captures a user's signature on the touch screen via the stylus, so I was surprised the author of the ar

There is at least one app on the PalmOS (Treo, etc) that captures a user's signature on the touch screen via the stylus, so I was surprised the author of the article believes this is a new concept. However, actually creating and submitting an app is always a good concept.