The director of marketing in a large company is confronted by some of the most difficult problems in the history of U.S. industry. To assist him, the information revolution of the past decade puts at his disposal a vast array of techniques, facts, and figures. But without a way to master this information, he can easily be overwhelmed by the reports that flow in to him incessantly from marketing research, economic forecasts, cost analyses, and sales breakdowns. He must have more than mere access to mountains of data. He must himself bring to bear a method of analysis that cuts through the detail to focus sharply on new opportunities.

A version of this article appeared in the March 1964 issue of Harvard Business Review.