Source: https://hbr.org/2008/01/the-five-competitive-forces-that-shape-strategy Key Phrases: 1. The real point of competition is not to beat your rivals. It’s to earn profits. 5 competitive forces: 1. The intensity of rivalry among existing customers 2. The bargaining power of buyers 3. The bargaining power of suppliers 4. The threat of substitutes 5. The threat of new entrants Page 12 of Porter Precisely because substitutes are not direct rivals, they often come from unexpected places. This makes substitutes difficult to anticipate or even to see once they appear. The threat of substitution is especially tricky when it comes at one remove