The changing relationships between producers and consumers

XV.4 July + August 2008
Page: 13
Digital Citation

ON MODELINGLearning curves for design


Authors:
Hugh Dubberly

When businesspeople discuss growth, they often refer to S-curves or "hockey sticks"¬ódiagrams depicting quantity changing over time, typically units sold per month or quarter. Growth begins slowly and gradually increases to an inflection point; from there it accelerates. Eventually, growth begins to slow and tapers off, for instance, as a market saturates or a system stabilizes at a new level. S-curves may look backward (tracking progress, adoption, or consumption) or forward (projecting growth). In the early days of Google, cofounder Sergey Brin began tracking search queries per day and maintaining a graph, which grew to fill the wall of…




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