A key part of the Extreme Programming Planning Game (and other steps). Similar to a UseCase, but different.
Alistair Cockburn pithily notes that a User Story is not a fully documented requirement, but "a promise to have a conversation with the Onsite Customer".
Hmm, is this a form of Story Telling?
Jul'2003: userstories.com This site is intended for general discusson of the role of user stories on agile projects and for specific discussion about Mike Cohn's book in progress, User Stories Applied for Agile Software Development .