申論題

2. For decades, the Porter's five forces model of competition has dominated the thinking about business strategy. It describes competition among traditional "pipeline" businesses, which succeed by optimizing the activities in their value chains--most of which they own or control. "Platform" businesses however that bring together consumers and producers, as Uber, Alibaba, and Airbnb do, require a different approach to strategy. Read the following article adapted from Harvard Business Review (2016) and answer the given questions.