http://bit.ly/wikitopicsnow provides the briefest of instructions, and access to the topic and document maps. This blog is at
I've made the links between topics and their nearest neighbours active. Hover over the link between two topics to see the ID of a cable that supports this link, and click on the link to visit this document.
I'll add similar functionality to the document maps tomorrow - the links between documents are supported by common topics.
I also plan to provide local maps of neighbourhood of each document in the document space and tools for selecting documents by choosing combinations of topics.