Ключевые слова: appraisal, approved, best, business, button, choice, client, comment, communication, concept, consumer, customer, customer feedback, emoticon, emotion, engage, engagement, evaluate, evaluation, experience, expression, face, feedback, feedback evaluation, good, happy, icon, like, opinion, people, performance, positive, quality, rate, rating, report, review, sad, satisfaction, service, sign, smile, smiling, star, stories, story, survey, symbol, testimonial, vote,