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The world may not smile when you smile or frown when you're down, but some new digital artwork will adapt itself to match your mood.

The electronic art can alter itself by changing color and brush strokes. Through a Webcam, software associated with the art recognizes eight facial features, such as the shape of the mouth and the eyebrows, and figures out the emotional state of the viewer.

When the viewer is happy, the colors of the artwork change to bright and vibrant and the brush strokes look soft. But if the viewer is angry, the art turns dismal, with aggressively applied leaden colors.

'It does all of this in real time, meaning that as the viewer's emotions change, the artwork responds accordingly,' said John Collomosse of the Department of Computer Science at the University of Bath in England.