1. A method comprising: displaying to a user, by a computing device, a keyboard on a touch-screen of the computing device; receiving, at the computing device, a suggestion to turn on a touch-gesture feature, wherein the suggestion is sent to the user when a number of the user's social contacts in a social-networking system who have the touch-gesture feature turned on exceeds a threshold number; enabling the touch-gesture feature based on information associated with the user's social contacts and a received user response to the suggestion; determining, based on information associated with the user's social contacts in a social-networking system, that a touch-gesture feature should be turned on and enabling the touch-gesture feature; in response to detection of a touch gesture within a display area of the touch-screen, the touch gesture comprising one or more paths that comprise two or more points on the touch-screen, determining, by the computing device, a particular one of a plurality of characters corresponding to the one or more paths of the touch gesture independent of a location of the touch gesture on the touch-screen; and entering, by the computing device, the particular one of the characters as user input to the computing device.