How might different competitive strategies help to explain why Electronic Arts lost its leadership

How might different competitive strategies help to explain why Electronic Arts lost its leadership in the video-game market to Activision Blizzard? 2. How would you use the adaptation model to advise Activision Blizzard on the best way to maintain its leadership in the video-game market? 3. If you ran a small video-game start-up, what would be your strategy for competing with EA and Activision Blizzard