Arranging and conducting auctions in the field of Real Estate; Arranging and conduction of auction sales; Auction management services provided to others over an on-line web site accessed through a global computer network; Auctioneering; Auctioning via telecommunication networks; Business management assistance and particularly carrying out tasks necessary for the smooth conduct of sales by auction; On-line trading services in which seller posts products to be auctioned and bidding is done via the Internet; Online auction services; Real estate advertising services; Real estate auctions; Real estate marketing services in the field of Auctions