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Walmart’s investment in open source isn’t cheap

In a recent blog post, a senior developer at Walmart Labs explained that the company’s embrace of open source costs big money. Eran Hammer observed that Walmart’s backing for the Hapi project is a “significant expense (exceeding $2m).”

Why does Walmart bother with open source at all? Why not use proprietary code from somewhere else and save the company the trouble?

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