Described are systems and methods for handling presence messages intended for an offline user. The best such layout depends upon the content present, the creator’s intent, the output device, and the viewer’s interests. A slit is arranged at a location on a circle of the cage such that the cage is cut off to discontinue in a circumferential direction thereof. If no following right-angle image rotation will be performed, the binary image is clustered by an alternate clustering method which yields reduced file sizes with respect to the non-rotated image. The first surface defines one or more cleating features configured to increase the surface area of the first surface.