Marketing, advertising and promotion services; provision of market research information; promoting the goods and services of others via computer and communication networks; facilitating the exchange and sale of services and products of third parties, namely, advertising for others on the Internet, operating online marketplaces for sellers and buyers of goods and/or services, negotiation of business contracts for others via computer and communication networks; online retail store services featuring virtual reality headsets, and virtual reality content and data; provision of an online marketplace for buyers and sellers of goods and services; providing online facilities for connecting sellers with buyers; business networking, namely, provision of an online marketplace for buyers and sellers of goods and services