Are my users coming back?

Acquisition metrics are often emphasized for good reason, but stickiness can 
measure repeated, consistent value being driven. This manifests itself in the 
form of re-engaged users. 

Measuring user stickiness

This is an elementary formula: DAU/MAU. this shows the percentage of your 
MAUs that engage in a daily fashion. 

Takeaway: understand what impacts this score, and scale it.