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  • Aaron Wolfson thinks this is interesting:

Even more importantly, we use this deploy-and-test process as a feedback loop for the designers. If we made a change that we fully expected to improve things, but it actually hurt key metrics, we use that as a basis to investigate what went wrong. Which assumptions were made that were incorrect? Which hypotheses have been invalidated?


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Really, this process should be used for everything. Courses, books, etc.