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This specification is a well a defined set of extensions to the Matrix protocol that facilitate certain communication use cases. \
This use case is already well defined in the Matrix protocol through the use of the direct messaging flag. \
In order to present wall posting to users, a Matrix space is created to house the posts, and each room within that space is considered a discrete post. The post content consists of the pinned messages in the room, and all other messages are treated as comments on the post.