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