Porter’s 5 Forces Model

Choose one of the 8 topics listed below and write a briefing note. give an overview and critical evaluation of the topic and its relevance to organisations and business strategy.
choose are the following:

1. Porter’s 5 Forces Model
2. Porter’s Value Chain analysis
3. Porter’s Generic Strategies analysis
4. The Strategic Gap
5. Blue Ocean Strategy
6. Scenario Planning
7. Balance Scorecard