Ключевые слова: analysis, app, application, assessment, best, business, client, communication, connection, customer, device, evaluation, excellence, excellent, experience, feedback, five, happy, information, internet, management, marketing, media, online, opinion, performance, positive, product, quality, ranking, rate, rating, report, reputation, review, satisfaction, score, service, smartphone, smile, social network, star, survey, technology, test, user, web,