Basically, The Full Wiki is a "mashup" of Wikipedia and Google Maps plus a few other resources including Wikiquote and it allows you to search for a term and view the information in several different formats.
Entering a term such as "family history library" will display the standard Wikipedia content for that term:
Clicking on the Map tab at the top of the screen will also display the Google Maps information:
And interestingly, there is a "Topic Tree" tab which seems to diagram the term with links to other articles on WikiPedia:
Check out The Full Wiki and see if it can be a useful resource for your family history research.
© 2010, copyright Thomas MacEntee