1. A method comprising: by a computing device, determining a touch gesture on a touch screen of the computing device, the touch gesture comprising two or more data points that each correspond to a particular location on the touch screen and a particular point in time; by the computing device, for each of one or more of the data points, adjusting a time value representing its particular point in time; by the computing device, for each of one or more of the data points, adjusting a position value representing its particular location on the touch screen; and by the computing device, fitting a curve to the two or more data points to determine a user intent associated with the touch gesture.