This was written by a guest writer Peter of KrooClub

This is a diagrammatic representation of Linkbacks. The system of Trackback illustrated here was developed by SixApart, creators of theMovableType blog package.

Its purpose being:

Person A writes something on their blog.
Person B wants to comment on Person A's blog, but wants their own readers to see what they had to say, and be able to comment on their own blog
Person B posts on their own blog and sends a trackback to Person A's blog
Per...