In my opinion, I think there is a middle ground on free and closed software, where I think that programmers can choose parts of software to share and parts to keep private through wrapping all code into functions and classes with private access. When programmers begin to create their own Frankenstein monsters using code from multiple sources, they can import a kind of “locked” chunk of code that can be used, but not accessed. So, the use of the software can be entirely regulated by its original creator in a closed software approach.
fanchunghung 
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