Ключевые слова: advertisement, advertising, alertness, announce, announcement, bullhorn, business, communication, computer, computer monitor, concept, created with artificial intelligence, cut out, cyberspace, design, digital, display, electrical equipment, fashionable, flat, icon, icon symbol, illustration, information, isolated, laptop, loud, loudspeaker, marketing, media, megaphone, message, news, online, outline, screen, sign, social, speaker, speech, symbol, technology, voice, web, website, white, white background, wireless technology,