1. ATing system, jargon> Pixels (usually single) thAT are not properly restored when the {mouse pointer} moves away from a particular locATion on the screen, producing the appearance thAT the mouse pointer has left droppings behind. The major causes for this problem are MS-DOS programs thAT write to the screen memory corresponding to the mouse pointer' s current locATion without hiding the mouse pointer first, and mouse drivers thAT do not quite support the graphics mode in use. 2. The client address recorded in a World-Wide Web server' s log whenever a client connects to a site. Users may be unaware thAT their activity is being logged in this way but the potential for misuse of the informATion is limited. [March 1996 Macworld, p260, Viewpoint article by Larry Irving]. (1994-12-05)