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This is an enhanced edition of HBR article 98610, originally published in November/December 1998. HBR OnPoint articles save you time by enhancing an original Harvard Business Review article with an overview that draws out the main points and an annotated bibliography that points you to related resources. This enables you to scan, absorb, and share the management insights with others. In this article, University of California at Berkeley professors Carl Shapiro and Hal Varian explain how a "versioning" strategy can enable a company to distinguish its products from the competition and protect its prices from collapse. Producing the first copy of an information product is often very expensive, but producing subsequent copies is very cheap. In other words, the fixed costs are high and the marginal costs are low. Because competition tends to drive prices to the level of marginal costs, information goods can easily turn into low-priced commodities, making it impossible for companies to recoup their up-front investments and eventually bringing about their demise. The best way to escape that fate, the authors say, is to create different versions of the same core of information by tailoring it to the needs of different customers. The authors draw on a wide range of examples to illustrate how companies use different versioning strategies to appeal to customers with different needs.