Ключевые слова: award, best, business, check, choice, client, comment, consumer, customer, employee, evaluation, excellent, experience, expert, fail, feedback, good, happy, information, manager, marketing, negative, opinion, perfect, performance, positive, product, professional, quality, questionnaire, range, rank, ranking, rate, rating, research, result, review, sad, satisfaction, satisfy, score, service, star, survey, trust, unhappy, user, voice, warranty,