For ten years, Digital Display Group (DDG), a division of Alpha Video & Audio, Inc., has been a leader in managing and implementing visual communication networks. DDG has established over 600 networks for Fortune 500 companies, entertainment venues, retail outlets, schools and universities. Digital Display Group and Alpha Video are privately held and headquartered at 7711 Computer Avenue, Edina, Minnesota 55435; tel: (800) 388-0008 or (952) 896-9898; fax: (952) 896-9899; Web site: www.digitaldisplaygroup.com or www.alphavideo.com