A feather is softly blown across the canvas by a silent and invisible wind. It flirts, it dances with the mouse. Some gestures may even be interpreted as provocative.
The truth of the matter is that the path of the plume is randomly generated by a series of unpredictable random variables which are in no way influenced by any user action. The mouse is absolutely totally ignored. Please don't take it too personal, take five.
Coming. View source for now.