Ключевые слова: alternative, background, bad, blue, business, check, choice, choose, client, concept, consumer, customer, decision, dislike, emotion, evaluation, experience, expression, face, feedback, finger, good, hand, happy, icon, marketing, mood, negative, opinion, option, poll, positive, product, quality, question, questionnaire, rank, rating, research, review, sad, satisfaction, service, smile, survey, symbol, test, unhappy, user, woman,