Ключевые слова: alert, announcement, application, appreciation, blogging, chat, comment, concept, content, conversation, dialog, digital, email, emotion, engage, engagement, enthusiasm, face, feedback, fun, good, hand, happy, isolated, like, marketing, message, note, notification, opinion, paper, people, positive, post, review, satisfaction, showing, smile, smiley, social media, social network, speech bubble, success, viral content, vote, voting, web, work, yellow, yellow background,