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-But we collect requirements all the time, right? Every

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-time we build a software system. So how do people

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-cope with these difficulties? What are the best practices?

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-In practice, developers or analysts usually identify a whole bunch

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-of requirements. Sometimes the easiest and most obvious ones. They

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-bring those to the stakeholders, and the stakeholders have to

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-read the requirements, understand them, and if they agree, sign

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-off on them. And the problem is that in general,

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-these requirements documents are difficult to read. They are long, they

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-are often unstructured. They typically contain a lot of information. And

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-in general, they are not exactly a pleasant read. So what

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-happens is that often the stakeholders are short on time, overwhelmed

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-by the amount of information they're given and so they give

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-in to the pressure and sign. And this is a bit

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-of a dramatization clearly but it's clear that what we are

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-looking at is not an ideal scenario. Clearly this is not

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-the way to identify the real purpose of a software system to

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-collect good requirements. And since one of the major causes for project

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-failure is the inadequacy of requirements, we should really avoid this kind

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-of scenario. We should follow a

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-rigorous and effective requirements engineering process instead.