Advertising; marketing; presentation of goods on communication media, for retail purposes; sponsorship (promotion and marketing services); arranging business introductions; business networking services; business promotion services; providing business information via a web site; online retail services; presentation of goods on communication media, for retail purposes; retail services; retailing of goods (by any means); provision of an online marketplace for buyers and sellers of goods and services; compilation and provision of online directories; product launch services; market campaigns; product sampling; bartering services (facilitating the trade exchange of goods and services); conducting exhibitions for advertising purposes