Ключевые слова: advice, alternative, analyzing, button, check, choice, choose, choosing, client, comparison, connection, copy space, customer, education, efficiency, emoticon, excellence, expertise, feedback, finance, finger, good, happiness, horizontal, idea, marketing, mood, negative, opinion, organization, perfection, person, poll, positive, product, quality, question, questionnaire, rank, rating, research, review, satisfaction, service, smile, survey, surveyor, test, user,