Post what you thought was the most important concept(s), method(s), term(s), and/or any other thing that you felt

Post what you thought was the most important concept(s), method(s), term(s), and/or any other thing that you felt was worthy of your understanding in Business Strategy: Differentiation, Cost Leadership, and Blue Oceans, Innovation, Entrepreneurship, and Platforms. Also, provide a graduate-level response to each of the following questions:

1. How the internal value chain activities a firm can perform. The value chain priorities can be quite different for firms taking different business strategies. Create examples of value chains for three firms: one using cost leadership, another using differentiation, and a third using a value innovation business-level strategy.
2. Select an industry and consider how the industry life cycle has affected business strategy for the firms in that industry over time. Detail your answer based on each stage: introduction, growth, shakeout, maturity, and decline.

Should be more than 450 words, APA.