Ключевые слова: 5, app, application, best, business, businessman, care, client, comment, computer, concept, customer, emotion, evaluation, excellent, experience, feedback, five, goal, good, happy, laptop, lifestyle, management, marketing, mobile, online, opinion, performance, phone, positive, quality, rank, ranking, rate, rating, reputation, result, review, satisfaction, score, service, smartphone, star, success, survey, symbol, technology,