Ключевые слова: angry, appraisal, appreciation, bad, business, cartoon, concept, consumer, customer, doodle, drawing, emoji, emoticon, emotion, evaluation, experience, expression, face, feedback, good, happy, icon, illustration, isolated, level, like, mood, negative, normal, opinion, positive, quality, ranking, rating, report, review, sad, satisfaction, service, set, sign, smile, smiley, survey, symbol, user, valuation, vote, web,