Group 1 - The advertising industry is undergoing a significant transformation due to AI, with both online and offline ads increasingly being generated by AI technologies [1][13][14] - Major brands such as KFC, McDonald's, and others are embracing AI-generated advertising as a new trend, indicating a shift in marketing strategies [13][14] - AI advertising is characterized by lower costs and higher efficiency compared to traditional advertising methods, with costs dropping from around $200 to less than $1 per ad [16][17][24] Group 2 - AI-generated content is not limited to static images but is expanding into video advertising, with platforms like Google and TikTok introducing tools for creating AI-generated videos [20][22][24] - The process of creating AI-generated videos has become streamlined, requiring minimal personnel and resources, which enhances production speed and reduces costs [24] - Brands are actively integrating their advertising into new AI-driven platforms, such as AI search engines and chatbots, to capture emerging marketing opportunities [25]