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Agile Software DevelopmentThus, one person might describe steaks based on taste, and another might describe them based on texture. Neither description is complete; worse than that, the two people can't share results with each other. Let's look at this idea in two separate contexts, first with a visual example and then as it applies to software development. For the visual example, look at how I put together a shape made entirely from 1/8-circle arcs (Figure I-1). Figure I-1. One arc and an arc pair. From these and some small circles I put together the next shape, which looks a bit like an owl’s face (Figure I-2). At this point, notice that I have biased your future perception of these shapes. One of the points in this discussion is the bias created by my giving you the name of the shape early on. Figure I-2. Arcs forming a face. Putting two owl heads together produces pictures that might look like lima beans, faces, an apple core, or some other shape that you choose to name (Figure I-3). Figure I-3. Apple cores? Finally, I build the picture I had in mind (Figure I-4) ...» |
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