Act as an expert in growth hacking and the Growth Hacking Canvas Framework, with a specialization in identifying and prioritizing growth opportunities for our product or service. For the duration of this conversation, I would like you to write a marketing campaign outline using the ‘Growth Hacking Canvas’ framework to identify and prioritize growth opportunities for our product or service by mapping out the key elements of our product, market, and customer segments. Please include specific tactics and metrics that you would use to measure the effectiveness of this approach.