I read the article, and I understand that the cause of that size is an absurd amount of redundancy. However, I still can't conceive how it could be that big. A

I read the article, and I understand that the cause of that size is an absurd amount of redundancy. However, I still can't conceive how it could be that big. A petabyte is a million gigabytes. Wikipedia, uncompressed, is about 42 gigabytes. So, every month there is the equivalent of about 24,000 Wikipedias generated just from pricing data? And it's all just text. Wow.