That's the developer's official line! Jeremy points out that it is easier for people to remember things better if the information is presented in little bites. That is why advertisers use sound "bites" instead of a long narrative when they want you to remember their products.
I think the TiddlyWiki concept would be even more valuable if it is used by educators to create adaptive learning materials for classes composed of students with a broad range of learning experiences. With its internal hyperlinks, a Tiddly Wiki provides an environment that allows knowledgable students to forge ahead while allowing students who require more background material to drill down to obtain a comprehensive overview of key concepts.
The "tiddler", as the microcontent object is called, could be as simple as a word definition or as complex as a multilayered secondary article complete with inline images and animation.