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Summary.
In project management, challenges tend to grow as projects — especially those centered on research and development — extend over time. It becomes harder to manage deadlines and allocate resources over lengthy horizons. The most popular method for managing projects flexibly, known as agile, struggles when applied to extended ventures. This is mainly because long-running innovative endeavors, such as skunkworks, often lack regular feedback from end-users, which is essential for the agile approach.