Ключевые слова: ability, adult, angry, astonished, balance, caucasian, character, communication, communications, control, costumer satisfaction, creative, decorative, depress, different, emoticon, emoticons, emotion, emotional, emotional health, emotional intelligence, emotions, empathy, equality concept, evaluation, excellent service, experience, expressing, expression, facial, feedback, feeling, fun, funny, happiness, happy, hopeless, loneliness, mental, negative, opinion, performance, person, personal, personality, positive, psychology, reputation, review, sad, sadness, satisfaction, stability, unhappy, worries,