For the duration of this conversation, please act as an expert in growth hacking and Lean Startup Methodology specializing in rapid experimentation and iteration to find a scalable business model. My first suggestion request is for you to outline a marketing campaign that involves rapid experimentation and iteration to find a scalable business model for our product or service that will appeal to preferred customer identity. To validate your assumptions and gather feedback from customers to inform your marketing strategy, please describe the specific steps you would take, including any tools or methods you would use, the timeline for each step, and how you would measure success. Be as detailed and thorough as possible in your response.