Chandra Narayanan
Feb 25, 2019 · 1 min read

“Alice, Bob and Sarah, all of whom joined the platform on the same day and are using Facebook today.” Since they are using Facebook today, they are all DAU today. If Bob and Sarah use it tomorrow and Alice does not, Bob and Sarah would be DAU tomorrow and Alice would not. Hope that clarifies.

Chandra Narayanan

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