An image forming system includes: a computer for supplying image data; and a printer having a sub-tank for retaining ink to be supplied to a printing head and a system performing an on-demand supply of ink to the sub-tank. Rendering mode may be determined by analyzing rendering characteristics. Each link is made from a substantially rigid material and extends angularly across portions of end surfaces of the first and second plate. An application running at or in conjunction with a computer can obtain information relating to media content displayed at or accessible to the computer, format the data, and transmit the data to a social networking site or other location in a format appropriate for the site.