This is awesome! Much easier to see and compare than looking at pictures of the originals, or reading the raw data files from the Harvard database.<p>The Wikipedia article seems like a pretty good summary of what we know about quipus: <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Quipu" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Quipu</a><p>Since the Spanish destroyed so much, a lot of it is fairly speculative.