Porter describes five forces that determine the competitive well-being of a business. In my paraphrasing, they are: • The power, vigor and competence of a company’s existing competitors: Are there a lot of them? Are they well funded? Do they clearly focus on your business? • The power, vigor and competence of a company’s suppliers: Are there a lot of them, so that the business has plenty of choices, or are there few of them, so that
