I wonder if Levi Strauss would have made billions selling his blue jeans if he had said that the zipper was “sold separately.” I wonder if cell phones would be as ubiquitous as they are today if everyone had to learn to speak binary in order to communicate using them. I wonder how many people would drive cars if they had to produce their own fuel. I wonder. The sad truth is that this is how most of the open source world works. If you want to install one program, you’re often expected to find all its prerequisites and get them installed first.