Some tasks have an implicit definition of done built in. For example, “take out the trash” is straightforward to evaluate without too much of a framework: if the trash is still inside, this task is not complete. Once the trash is outside in the trash can, I can stop thinking about this task and move on to something else. In knowledge work, however, stopping points aren’t always as apparent. Most times, it’s because we have to choose where to stop; otherwise, they could go on indefinit...