This is not my usual kind of topic, but I just came across an exciting new development. Sony has introduced the Xperia Sola with what they call floating touch capability. The screen on the device detects the presence of a finger up to 20mm away allowing for mouse-like hovering behaviors. What this means for me is that it would be an easy matter to create a velocity sensitive touch keyboard or set of pads on a device with this feature. Simply measure the time between entering the field and actually touching the device and then apply the number to the amplitude, or any other attribute of the sound. There is a significant amount of potential for expression with this technology. I would love to see this on a tablet and develop an instrument it. How would you like to see floating touch (or something like it) used for music applications?