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Mineblocks is a game, and one of the core metrics to any game is the number people who play each day. That KPI is called Daily Active Users, or DAU.

DAU is defined as the number of unique players seen in-game each day. It's important not to double count users who played multiple times, so we'll use distinct in our count function.

Likewise, Weekly Active Users (WAU) and Monthly Active Users (MAU) are in the same family.

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