Overview
Annotated
App Store — staggered rollouts + version revert
browse · update-check · download · publish · health-gated rollout · 1B devices · 116K update-checks/s · 9.3 Tbps peak · revert in <1 s
arrows
0/23
cards
17
letters
A–O
happy-path
side-effect
failure-comp
new-infra
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BOTE — canonical numbers
(every N- chip in the rail links here)
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Failure playbook (A–O)
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What breaks first · interview framing