This document discusses the entrepreneurial development of a reusable coffee cup with multimedia screen and contactless payment technology. It covers topics such as the value proposition canvas, lean business canvas model, and the specialist contribution of a CFO. The document provides insights into the financial planning, customer segments, key partnerships, revenue streams, and cost structure of the business idea. It also highlights the benefits and features of the coffee cup and its potential market. Overall, it offers a comprehensive overview of the entrepreneurial journey and the key factors involved in the success of the product.