How did the invention of radio and television change advertising?

The invention of radio and television revolutionized advertising by creating dynamic platforms for reaching mass audiences with audio-visual content. Advertisers could craft engaging narratives and evoke emotions, making their messages more memorable and impactful compared to print media. This shift also allowed for targeted advertising based on programming Demographics, leading to more strategic marketing efforts. Ultimately, radio and television expanded the reach and effectiveness of advertising, transforming it into a key component of consumer culture.