Stack fallacy has caused many companies to attempt to capture new markets and fail spectacularly. When you see a database company thinking apps are easy, or a VM company thinking big data is easy  — they are suffering from stack fallacy. Stack fallacy is the mistaken belief that it is trivial to build the layer above yours. Comic credit: XKCD Mathematicians often believe we can describe the entire natural world in mathematical terms. Hence, all of physics is just applied math. And so on and so f...