1. A method comprising: detecting a plurality of contacts corresponding to touches in a multipoint sensing area of a multipoint sensing device; determining a motion of the plurality of contacts; selecting a first set of one or more of the plurality of contacts; performing a gesture operation based on the motion of the first set; determining additional motion of the plurality of contacts; determining a maximum motion from the additional motion; comparing the maximum motion to the additional motion of the first set; based on the comparison, selecting a second set of one or more of the plurality of contacts, at least one contact of the second set having the maximum motion; and continuing the gesture operation based on the motion of the second set.