Protected intellectual property (copyright, patents, trade secrets, etc.) Specialized skills or business processes that take a long time to develop (for example, Apple’s vertically integrated products and supply chain, which meld design, hardware, and software) Exclusive access to relationships, data, or cheap materials A strong, trusted brand built over many years, which customers turn to reflexively Substantial control of a distribution channel A team of people uniquely qualified to solve a particular problem Network effects or other types of flywheels (as described in Chapter 4) A higher
  
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