Ключевые слова: advertise, announcement, attention, broadcasting, bullhorn, call, command, communicate, communication, concept, conceptual, control, crowd, directing, event, funnel, government, guide, hand, held, horn, leaders, loudspeaker, mega, megaphone, message, nomination, orange, politician, propaganda, protest, protesting, public, report, requirements, riot, shouting, speaker, speaking, trumpet, volume, white, yell,