Ключевые слова: abstract, advantage, advertising, advice, advise, adviser, application, business, businessman, card, career, client, communication, competitive, concept, conceptual, consulting, consumer, corporate, customer, cyberspace, delivery, distribution, finance, help, hosting, information, leader, letter, management, manager, marketing, message, note, office, professional, provider, screen, service, success, suit, support, technology, text, value, virtual, vision, web, word,