Ключевые слова: abstract, america, app, assess, automation, blue, capital, center, chicago, city, cityscape, communicate, communication, complex, computer, concept, digital, double, downtown, draw, e, electronic, email, exposure, icon, inbox, internet, journal, letter, mail, mobile, new, online, receive, sideview, skyline, skyscrapers, sms, social, spam, spreadsheet, subject, symbol, target, technology, usa, wallpaper, website, writing,