Is this an advertisement? Some ideas / questions: - The documentation on GH is unreadable like this - On GH it says "Patent Pending" so is this not open source

Is this an advertisement? Some ideas / questions: - The documentation on GH is unreadable like this - On GH it says "Patent Pending" so is this not open source after that or is that phrase just a joke? - How is it related to the mentioned Data Science Handbook?