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Content Usage Policy

While most of this website is protected by copyright, we permit free usage of content and illustrations as long as you place a hyperlink to the specific page (or print its URL if it’s printed media) where the content is taken from (or just the home page if multiple pieces of content is used) in the following bounds:

  • You can cite any text on this website, as long as it’s not a substantial part of the cited article.
  • You can use up to 10 illustrations from this website in total for all of your publications and presentations.

If you want to use more than that, please send us email to, describing what content do you need and how it’ll be used.