The software stack is like an onion. Or a sheet cake. Or lasagna. Or is it? It’s often described as having layers that sit on top of each other. The reality is much more complicated—and learning about it can help any tech career. The Great Stack Debate is the first episode in Compiler’s series on the software stack. We call it Stack/Unstuck. We explore each layer of the stack, what it’s like to work on them, and how they come together into a whole application.