Sony confirmed rumors at E3 yesterday by debuting their take on a motion-based input device, set to be released for use with the PS3 in the spring of 2010. The BBC has some entertaining video of the demonstration. "A sensor sits on top of the TV and detects the position, distance and movement of two controllers held in a user's hand. The device can not only measure where the controllers are in relation to each other, but also how close they are to the sensor, meaning you can create true 3D movement within a game. ... During the demonstration, the developers showed what the Sony PlayStation Controller was capable of, enabling users to wield weapons, fire a bow and arrow, write on screen and manipulate objects in a virtual environment. 'One thing that is really difficult to do in a virtual world is drawing,' said Mr Marks. 'And in particular, writing requires extreme precision. [The controller can be measured] to sub-millimetre accuracy.'"