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Working in Public: The Making and Maintenance of Open Source Software Highlight
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— Nadia EghbalMaintenance makes up a significant aspect of software’s hidden costs. A 2018 Stripe study of software developers suggested that developers spend 42% of their time maintaining code.220 Nathan Ensmenger, the informatics professor, notes that, since the early 1960s, maintenance costs account for 50% to 70% of total expenditures on software development.221
Replicated under Fair Use from Working in Public: The Making and Maintenance of Open Source Software by Nadia Eghbal.