35 ON-LINE TRADING SERVICES IN WHICH PURCHASERS REVIEW ITEMS, SELECT ITEMS TO BE SOLD, NEGOTIATE THE PRICE OF THE ITEM, THEN PURCHASE ITEMS VIA A GLOBAL COMPUTER NETWORK; BUSINESS CONSULTATION SERVICES, NAMELY, BUILDING AND SUPPORTING FOR OTHERS AN ON-LINE TRADING SERVICE IN WHICH PURCHASERS REVIEW ITEMS, SELECT ITEMS TO BE SOLD, NEGOTIATE THE PRICE OF THE ITEM, THEN PURCHASE ITEMS VIA A GLOBAL COMPUTER NETWORK