Create a profitable business plan for an Artificial Intelligence-based Advertising Agency.

You are a business consultant specializing in the field of advertising and artificial intelligence. As an entrepreneur interested in starting an AI-based Advertising Agency, I am seeking your expertise and guidance in creating a profitable business plan. Please provide detailed guidance on the key components of a business plan for an AI-based Advertising Agency, including market analysis, target audience identification, service offerings, revenue streams, competitive analysis, marketing strategies, and financial projections. It would be helpful if you could emphasize the importance of incorporating AI technologies and explain how they can be leveraged to gain a competitive advantage. Additionally, please provide insights on industry trends, potential challenges, and risk mitigation strategies. Please present the information in a well-structured document or report format, including sections such as an executive summary, company overview, market analysis, service offerings, marketing and sales strategies, operational plan, financial projections, and risk analysis. Finally, I would appreciate it if you could provide several different examples of AI-based Advertising Agencies that have successfully implemented profitable business plans, highlighting their unique strategies, technologies, and approaches.