41 Computer services, namely, providing on-line journals, books, brochures, leaflets, text books, reference materials, newsletters, atlases and magazines relating to tradeshows, exhibitions, expositions, fairs and business conferences in a wide variety of fields, namely, aerospace, [defense,] marine, arts, entertainment, building and construction, property and real estate, interior design, books, publishing, electronics, electrical engineering, engineering, processing and manufacturing of raw materials, consumer products, minerals and packaging materials, food processing and manufacturing, food service, hospitality, information technology, telecommunications, marketing, business services, educational, language and employment training, retailers, safety, security, sports, leisure, health, healthcare, pharmaceutical, travel, manufacturers and retailers of consumer products and retail service providers; providing websites and online information via the worldwide web relating to educational conferences in a wide variety of fields, namely, aerospace, defense, marine, arts, entertainment, building and construction, property and real estate, interior design, books, publishing, electronics, electrical engineering, engineering, processing and manufacturing of raw materials, consumer products, minerals and packaging materials, food processing and manufacturing, food service, hospitality, information technology, telecommunications, marketing, business services, educational, language and employment training, retailers, safety, security, sports, leisure, health, healthcare, pharmaceutical, travel, manufacturers and retailers of consumer products and retail service providers