Concept walkthrough with Sarah

Era Boundaries

Name: Era Boundaries — Concept Walkthrough with Sarah
Uploaded: 2026-07-02T10:00:00Z
Description: Sarah explains era boundaries — why STEPZERO splits a game's history at the exact date its rules changed (like Powerball adding a Monday draw) instead of averaging straight across it, so reports never quietly blend two different versions of the same game.

Sarah explains era boundaries — why STEPZERO splits a game's history at the exact date its rules changed (like Powerball adding a Monday draw) instead of averaging straight across it, so reports never quietly blend two different versions of the same game.

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