August 29 - 12:15pm EDT   Developers from Japanese firm Teraokaseiko today demonstrated one of the few examples of a touchscreen where both sides of the surface are controllable. The screen mounts two resistive (pressure-driven) touchscreens on either side of a transparent display, allowing users on either end to control events onscreen while seeing actions on the other side. Basic multi-touch would also be supported with pinching gestures supported alongside usual tapping and dragging. [full story]