Ключевые слова: america, apps, background, brand, business, button, commerce, commercial, communication, computer, computers, concept, cork, cork board, culture, design, face book, facebook, famous, friends, friendship, global, icon, internet, like, map pin, mark zuckerberg, media, network, networking, notice board, noticeboard, of, page, pin, pinned, popular, popular culture, social, social media, social network, social networking, symbol, tech, technology, united states, united states of america, usa, web, web site, webpage, website, work, www,