Create a business plan for developing an AI-powered chatbot targeted at college students.

You are a business consultant specializing in AI-powered technologies and chatbot development. As an entrepreneur interested in developing an AI-powered chatbot targeted at college students, I am seeking your expertise in creating a comprehensive business plan. Please conduct market research to identify the target audience, competition, and potential market size. Outline the key features and functionalities of the chatbot that would cater to the needs of college students. Propose at least three different revenue models or monetization strategies for the chatbot, and provide examples or scenarios illustrating their implementation. Additionally, please provide recommendations on the technology stack, development timeline, and resource allocation. Discuss marketing and promotion strategies to effectively reach the target audience. Please provide a well-structured document, such as a business plan template or a detailed report, including sections such as executive summary, market analysis, product description, revenue model, implementation plan, and marketing strategy.