Quick Answer
Dynamics 365 Customer Insights - Journeys is Microsoft's marketing automation and customer journey orchestration application, making it the rebranded, expanded successor to Dynamics 365 Marketing. It lets your marketing team move past static email blasts and build robust, real-time, behavior-triggered journeys across various platforms like email, SMS, push, and voice, while Copilot handles most of the segment-building and content drafting.

