Way to break down a user Journey Map into UserStories, better than a "flat" BackLog.
- horizontally by user-action-order
- vertically by priority
This helps in picking clusters of stories to refine/build at a time, starting from a a happy path/MVP.
- you might not release right away, but this is richer than a Spike Solution
Associated with Jeff Patton: https://www.jpattonassociates.com/story-mapping/