advertising and business services, namely, arranging and conducting tradeshow exhibitions, expositions, conferences, symposia and seminars primarily on subjects related to retail technology, supply chain technology, e-commerce technology, information technology, and supply chain management, and providing advertising and marketing opportunities for others in the nature of promoting the goods and services of others by arranging for sponsors to affiliate their goods and services with the foregoing tradeshow exhibitions, expositions, conferences, symposia and seminars, and with publications, electronic documents, websites, and related products and services primarily on subjects related to retail technology, supply chain technology, e-commerce technology, information technology, and supply chain management; direct marketing advertising for others; and dissemination of advertising for others via websites on the global computer network, via the internet, and via e-mail