Alejandro Hernandez, Senior CRM Notifications and Lifecycle Specialist at Babbel, explains how AI and human creativity intersect to drive retention in language learning. He shares how Babbel uses ecosystem segmentation, predictive models, and deep links to re-engage millions of learners worldwide. From predicting churn with behavior signals to ensuring that every push notification feels like a supportive nudge rather than spam, Alejandro shares his thoughts on the CRM strategies that lead to habits -- not hassle.