1. A method, comprising: receiving, on a multitouch-enabled device, multitouch gesture input indicating contact of multiple digits of a human hand with a multitouch-sensitive screen of the device; constructing a local coordinate frame for the hand according to the multitouch gesture input; and displaying, on the multitouch-enabled device, two or more user interface elements, each user interface element corresponding to a particular digit, wherein the user interface elements are displayed according to the local coordinate frame for the hand.