Abstract: Authentication of a computing device involves displaying an authentication code display area and an authentication code input area on a touchscreen display of a computing device, detecting a touch contact at a first touch point in the authentication code input area, presenting a first character associated with the first touch point on the display, detecting a first swipe gesture from the first touch point to a second touch point, presenting a second character associated with the second touch point, detecting a confirmation gesture associated with the second touch point, and authenticating the computing device based at least in part on the second character.

Abstract: Authentication of a computing device involves displaying a plurality of subareas on a touchscreen display of a computing device, detecting a touch contact in a first subarea of the plurality of subareas, detecting a first swipe gesture from the first subarea to a second subarea of the plurality of subareas, detecting a first confirmation gesture associated with the first swipe gesture, and authenticating the computing device based at least in part on the first swipe gesture.

Abstract: User interfaces for selecting content for presentation or other actions is described in this disclosure. Using a small number of input controls a user may quickly and easily navigate content available for presentation from one or more content providers. Additional information may be presented to the user to facilitate selection of the content. Users may select content using one or more of a graphical user interface, or voice input.