Ключевые слова: abstract, app, background, book, bright, classroom, clicks, communication, concept, conference, contact, daytime, device, digital, display, double, e, electronic, email, envelop, exposure, icon, internet, it, list, mail, mailing, message, mobile, modern, multimedia, office, online, presentation, professional, result, screen, seminar, send, site, social, software, spam, startup, symbol, tablet, technology, telework, web,