When does proprietary code become too proprietary?

Mainasara Al-amin Tsowa - Jan 9 '20 - - Dev Community

Proprietary code is very useful in cases where security and optimization are the most important factors of a given software but having too much proprietary code in a codebase can significantly hurt maintainability. So, once again, when does proprietary code become too proprietary and where does someone draw the line?

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Terabox Video Player