Since this is a mono-thematic site with a simple but effective design, its navigation is easy and intuitive for any user; several papers and documents are available in pdf format along with a free e-mail newsletter subscription.
Due to the nature of its mono-thematic content, this site is easily browsable and does not require further search options
Beside the large amount of text-only content, several papers and documents can be downloaded in pdf format
The site structure is quite simple and intuitive, thus navigation is easy for users of any expertise, and no other help is provided (or needed)
With a simple but effective design this site provide a positive approach even for first time users; also available is a free e-mail newsletter subscription