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+In git, there can be multiple clones of a repository, each clone can 
+be independently modified, and clones can push or pull changes to
+one-another to get back in sync.
+
+git-annex preserves that fundamental distributed nature of git, while
+dropping the requirement that, once in sync, each clone contains all the data
+that was committed to each other clone. Instead of storing the content
+of a file in the repository, git-annex stores a pointer to the content.
+
+Each git-annex repository is responsible for storing some of the content,
+and can copy it to or from other repositories. [[Location_tracking]]
+information is committed to git, to let repositories inform other
+repositories what file contents they have available.