Conducting an on-line tradeshow exhibition, in the field of agriculture, forestry, fishery, horticulture; conducting an on-line tradeshow exhibition, in the field of apparel, fashion, textiles, jewellery; conducting an on-line tradeshow exhibition, in the field of building, construction, real estate; conducting an on-line tradeshow exhibition, in the field of electrical apparatus, electrical components and electronics; conducting an on-line tradeshow exhibition, in the field of energy and power; conducting an on-line tradeshow exhibition, in the field of engineering and product manufacturing; conducting an on-line tradeshow exhibition, in the field of environmental protection; conducting an on-line tradeshow exhibition, in the field of food, beverage, hospitality; conducting an on-line tradeshow exhibition, in the field of furniture, interior design; conducting an on-line tradeshow exhibition, in the field of health, beauty, wellness; conducting an on-line tradeshow exhibition, in the field of information technology (IT), communications, multimedia; conducting an on-line tradeshow exhibition, in the field of leisure activities, hobby, entertainment; conducting an on-line tradeshow exhibition, in the field of medical and hospital equipment; conducting an on-line tradeshow exhibition, in the field of office furnishings, home furnishings; conducting an on-line tradeshow exhibition, in the field of printing, packaging, graphics; conducting an on-line tradeshow exhibition, in the field of science; conducting an on-line tradeshow exhibition, in the field of security, safety, defense; conducting an on-line tradeshow exhibition, in the field of home services, industrial services, retail, education; conducting an on-line tradeshow exhibition, in the field of traffic, transport, logistics; providing a website featuring an online marketplace for exchanging goods and services with other users; provision of an on-line marketplace for buyers and sellers of goods and services