Ключевые слова: 5, background, benchmark, best, business, button, centric, choose, client, concept, copy, customer, emoticon, employee, excellence, experience, face, feedback, good, hand, happy, icon, impress, life events, marketing, modern, mood, opinion, positive, product, quality, questionnaire, rating, reputation, review, satisfaction, service, smile, space, stair, staircase, survey, symbol, table, trust, user, valuation, wood, yellow,