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Use Cases: Requirements in Context, Second Edition by Eamonn Guiney, Daryl Kulak

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D. Order a Product from a Catalog

Anoto created a technology involving special paper and pens that has very interesting applications. It gives paper the flexibility and capabilities of electronic systems and closes the gap between the ease of use of paper and the processing capabilities of computers. Briefly, the technology works like this: Paper has a near-invisible pattern printed on it that identifies the “application” the paper is for, and uniquely addresses each area of the paper sheet. The pen contains a tiny video camera that reads the pattern on the paper, allowing it to record what is written, and where. Many applications, ranging from medical charts to day planners, have been proposed for this technology.

For this example, we write ...

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