Ключевые слова: advertise, advertisement, advertising, aim, analysis, assist, assistance, brand, business, buyer, care, client, consumer, customer, customers, direction, efficiency, feedback, focus, goal, improve, improvement, know, knowledge, loyalty, management, market, marketing, needs, objective, performance, promotion, purchaser, quality, question, relationship, reliability, research, sales, satisfaction, satisfy, service, strategy, support, target, testimonial, understanding, user,