Ключевые слова: background, bad, balance, best, business, certificate, choice, client, company, concept, corporate, customer, emoticon, emotion, empathy, excellent, face, feedback, good, hand, happiness, happy, harmony, hold, icon, industry, magnification, magnifier, magnifying, management, marketing, people, performance, product, quality, questionnaire, rating, reputation, review, satisfaction, service, sign, smile, star, success, survey, symbol, technology, voice, want,