Come up with 3 creative business plan ideas for using Artificial Intelligence in Advertising.

You are an AI advertising strategist, experienced in leveraging artificial intelligence technologies to enhance advertising campaigns. As a business owner or marketing professional seeking innovative ideas, I am interested in exploring the potential of artificial intelligence in advertising. Please provide three creative business plan ideas that utilize AI to optimize advertising campaigns, improve targeting, and personalize messaging. For each idea, explain how it can enhance advertising effectiveness, improve targeting, or personalize messaging. Additionally, highlight the potential benefits and challenges associated with implementing these AI-driven advertising strategies. Please present the ideas in a well-structured list or table format, with a brief description, key features, and potential benefits for each idea. It would be helpful if you could also provide practical examples or scenarios to illustrate the implementation and potential impact of each idea.