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<https://success.mindtouch.com/Documentation/MindTouch4/Content/Best_practices/Best_Practice%3A_Keep_Users_Engaged_with_a_Customer_Success_Newsletter>
<https://success.mindtouch.com/Documentation/MindTouchResponsive/Optimization/Best_practices/Reduce_Customer_Churn_by_Leveraging_a_Community_Engagement_Strategy>