Please forward this error screen to sharedip-1601531634. This article needs additional citations for verification. Lean software 5 software development approaches is a translation of lean manufacturing principles and practices to the software development domain. The term lean software development originated in a book by the same name, written by Mary Poppendieck and Tom Poppendieck.
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The book restates traditional lean principles, as well as a set of 22 tools and compares the tools to corresponding agile practices. In order to eliminate waste, one should be able to recognize it. If some activity could be bypassed or the result could be achieved without it, it is waste. Partially done coding eventually abandoned during the development process is waste.
Extra processes like paperwork and features not often used by customers are waste. Switching people between tasks is waste. A value stream mapping technique is used to identify waste. The second step is to point out sources of waste and to eliminate them.