What if buttons could morph out of the surface of your device? Tactus Technology has developed a new tactile user interface for touchscreen devices that does exactly that. Tactus provides a new dimension to touchscreens by enabling real, physical buttons that rise up from the surface on demand, and then recede back into the screen, leaving a perfectly flat, transparent surface when gone. Check out the movie after the break for more details. » Tactus Technology: Touchscreens With Real Physical Buttons