Generative AI creates new content—images, videos, text, and audio—based on training data. Tools like ChatGPT, Claude, and Gemini represent Large Language Models (LLMs) that generate human-like responses. In advertising, generative AI creates copy, creative assets, and entire campaigns automatically. Google's Pompeii tool and Paramount's Ads Manager demonstrate how businesses can generate campaign creative without traditional production resources. While impressive, generative AI threatens creative professionals, particularly video producers, directors, and graphic designers. However, it democratizes creative production for small businesses.