Ключевые слова: adult, angry, assessment, bad, business, client, communication, consumer, customer, disappointment, dislike, dissatisfied, emotion, evaluation, experience, feedback, feeling, hand, information, internet, man, marketing, member, mobile, negative, not good, one, online, opinion, person, phone, product, quality, questionnaire, ranking, rating, result, review, sad, satisfaction, service, shopper, smartphone, star, survey, symbol, technology, testimonial, unhappy,