Ключевые слова: bad, business, businessman, choice, client, complaint, computer, consumer, customer, disappointed, disappointment, dislike, dissatisfied, emoticon, emotion, evaluation, experience, expression, feedback, feeling, give, laptop, marketing, negative, one, online, opinion, person, pointing, poor, product, quality, ranking, rate, rating, reputation, result, review, sad, satisfaction, score, service, sign, star, survey, symbol, unhappy, unsatisfied, user, vote,