What is the key difference between a Measurement Source of Truth (MSOT) and a Measurement System of Truth (MSysOT)?
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Correct answer: An MSOT is a single measurement solution, while an MSysOT combines multiple MSOTs for a comprehensive performance view..
Why this is the answer
In the Pinterest measurement philosophy, the distinction between a Source and a System of truth is critical for moving beyond simplistic, last-click attribution models. Measurement Source of Truth (MSOT): This refers to a single methodology or tool used to track performance. Examples include your Pinterest Ads Manager dashboard, a third-party analytics tool like Google Analytics, or a specific Conversion Lift study. Every MSOT has its own specific bias (e.g., Pinterest counts views, while Google Analytics often only counts clicks).
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