WBS and Product Backlog: Siblings or Distant Cousins?
It’s easy to believe that work breakdown structures (WBS) have been around since the pyramids were built in Egypt, and that product backlogs are new inventions by youngsters in too much of a hurry to plan correctly. However, like most things, the truth is more complicated. In 1957, the Program Evaluation and Review Technique (PERT) approach was created by the United States Department of Defense (DoD) and described organizing tasks into product-oriented categories. However, they did not use the term “work breakdown structure” or WBS until 1962 when DoD, NASA and the aerospace industry published a document about PERT that described the WBS approach. Meanwhile, in 1960, Tom Gilb described his Evolutionary Value Delivery approach (or Evo for short) that […]
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