The document discusses knowledge transfer within ESN through the use of wikis. It emphasizes that knowledge transfer is important at local, national, and international levels. It promotes setting up an ESN international wiki to store general information about ESN's structure, events, countries, and history. National wikis could also be used, with access control through Galaxy roles. Contributors are encouraged to add what they know to help future generations. Setting up and using wikis for knowledge transfer is described as easy and beneficial.