Ключевые слова: application, blog, building, call, chat, chatting, comment, communicating, community, concept, conference, connect, connection, content, conversation, customer, cyberspace, design, discussing, flat, friend, friendship, greeting, group, having, human, illustration, individuality, innovation, interface, internet, like, media, messaging, network, online, people, puzzle, relationship, social, talking, team, using, video, window, worker,