Ключевые слова: abstract, access, accessing, account, application, background, circle, communication, communications, communities, community, concept, conceptual, connect, connected, connecting, contact, contacts, data, design, digital, group, illustration, information, internet, media, modern, net, network, networking, networks, new, online, popular, site, sites, social, socialize, stay, staying, technology, trendy, user, users, web, website, websites, wide, world, www, youth,