tl;dr:As an idea, product or company grows, "value-maximizing behavior" changes dramatically and comes in three phases: (1) Explore - where companies try small experiments. (2) Expand, as an experiments takes off, bottlenecks are identified and tackled. (3) Extract, these projects can increase revenue or decrease costs.
tl;dr:Latency is “the time interval between a stimulus and its response." Throughput is “the rate at which a system achieves its goal”. Kent discusses the relationship of these two in architectural decisions, and when to optimize which.
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tl;dr:Two experiments testing different workflows were conducted. One involved making small changes, instantly deployed. The other, automatically committed code that passes its tests, deleting what fails. Both should have gone wrong but didn’t.