Ключевые слова: answer, ask, attention, business, chat, client, comment, commenting, commerce, communicate, communication, concept, constructive, consumer, customer, design, evaluate, evaluation, feedback, holding, idea, important, information, marketing, matters, message, object, opinion, promotion, quality, reaction, report, research, respond, response, review, satisfaction, search, service, share, sign, speech, support, survey, symbol, text, white,