A look back at the best from this week in the past.
In our previous post on Kano requirements classification, we introduced the concepts and showed how to apply them. One of our readers commented privately that we didn’t show how to use the techniques for prioritization. We’ll do that in this post. Thanks very much for the feedback!
The product life cycle is a description of the presence or behavior of a product in the marketplace over time. The framework for description is a function of the sales volume of the product versus time. Over time, products are created and introduced, and sales grow, peak and decline. The product life cycle uses phases to describe these different periods in the life of a product. Understanding the product life cycle is also key to calculating the ROI of agile development.
Over 90% of the cost of software development is software maintenance (cite). This alarming trend was predicted as early as 1972. McKinsey suggests that CIOs should spend no more than 40-60% on maintenance. Gartner’s IT Spending and Demand Survey (2002) reports that CIOs are spending 80% of their budgets on maintenance (p12 of presentation). Agile development can help reverse this trend.