Ключевые слова: approval, black, blue, businessman, button, choose, circle, democracy, democratic, dot, down, election, excellent, expression, failure, fill, finger, fist, form, gesture, good, great, hand, human, isolated, label, like, like and unlike, mark, market, negative, no, not, ok, paper, pencil, person, positive, red, signal, thumb, thumb up and down, thumb up and down gesture, unlike, unsuccessful, up, vote, white,