Computing devices, computer-readable storage media, and methods associated with human computer interaction. In embodiments, a computing device may include a display, a processor coupled with the display, a user interface engine and one or more applications to be operated on the processor. In embodiments, the user interface engine or the one or more applications may be configured to detect movement of the portable computing device indicating a direction a user of the portable computing device would like a portion of the user interface to move and cause the portion of the user interface to be moved, from a current location on the display to another location on the display, in accordance with the indicated direction. Such movement may facilitate the user to interact with the portion of the user interface via the interaction zone of the display. Other embodiments may be described and/or claimed.