Advertising services in the field of providing advertising in the nature of on-line and electronic classified directories; Auction services; Computerized on-line ordering featuring general consumer merchandise; Exchange services, namely, bartering of goods for others; Providing an on-line commercial information directory on the internet; Business evaluation of feedback and product ratings of consumer services of others prior to purchase namely, rating sellers of consumer goods; On-line auction services; Providing a searchable online advertising guide featuring the goods and services of online vendors; Providing a searchable on-line advertising website and guide featuring the goods and services of other vendors via the Internet; Providing an on-line searchable database featuring business information and business contacts