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Metrics don’t tell the whole story 

Metrics can clue you in on issues proliferating in your systems, but customers' anecdotal feedback can help you catch unknown unknowns.
November 05, 2025

Estimated reading time: 5 minutes

While dashboards and metrics are great for monitoring system health and expected behavior, customer feedback can complement metrics and help you unearth those unknown unknowns.

Sitting down for a podcast interview, Jeff Bezos told Lex Fridman: “When the data and the anecdotes disagree, the anecdotes are usually right.” Bezos cites an example from early Amazon days: data showed that customers waited less than 60 seconds for support, even though customer feedback reported longer wait times. During a weekly business review meeting, Bezos went ahead and made a customer service call, and the wait turned out to be more than 10 minutes. 

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