negative, bad, disappointed, unhappy, complain, customer, survey, experience, face, feedback, poll, poor, service, consumer, dissatisfied, fail, quality, man, emoticon, icon, online, press, problem, rating, satisfaction, screen, smart, upset, concept, digital, frown, give, internet, low, mobile, not good, one star, push, question, questionnaire, rank, rate, review, reviewer, sad, social media, tablet, terrible, user