Red Oceans are all the industries in existence today—the known market space. In the red oceans, industry boundaries are defined and accepted, and the competitive rules of the game are known. Here companies try to outperform their rivals to grab a greater share of product or service demand. As the market space gets crowded, prospects for profits and growth are reduced. Products become commodities or niche, and cutthroat competition turns the ocean bloody. Hence, the term red oceans.
Blue oceans, in contrast, denote all the industries not in existence today—the unknown market space, untainted by competition. In blue oceans, demand is created rather than fought over. There is ample opportunity for growth that is both profitable and rapid. In blue oceans, competition is irrelevant because the rules of the game are waiting to be set. Blue ocean is an analogy to describe the wider, deeper potential of market space that is not yet explored.
The corner-stone of Blue Ocean Strategy is 'Value Innovation'. A blue ocean is created when a company achieves value innovation that creates value simultaneously for both the buyer and the company. The innovation (in product, service, or delivery) must raise and create value for the market, while simultaneously reducing or eliminating features or services that are less valued by the current or future market. The authors criticize Michael Porter's idea that successful businesses are either low-cost providers or niche-players. Instead, they propose finding value that crosses conventional market segmentation and offering value and lower cost. Educator Charles W. L. Hill proposed this idea in 1988 and claimed that Porter's model was flawed because differentiation can be a means for firms to achieve low cost. He proposed that a combination of differentiation and low cost might be necessary for firms to achieve a sustainable competitive advantage.
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