Patent attributes
Providing, by operation of a computer, instructions causing a user computing device to present a carousel graphical user interface. The carousel graphical user interface includes a carousel region occupying less than all the display area of the user computing device and comprising multiple frames. Each frame is sized such that at least one, and less than all, of the frames are displayed simultaneously in the carousel region. Each frame is operable to receive selection via an input to the carousel graphical user interface of the user computing device. At least one frame includes content indicating an item from a set of one or more second items available for delivery; each second item in the set being swappable with a first item corresponding to a first item identifier of an order. The carousel region is navigable via user input to the graphical user interface to display each frame in the plurality of frames.
