Why did the term 'design system' become ubiquitous around the mid-2010s?

Answer

Scaling challenges faced by product development teams were met by matured technology for code and asset sharing.

The explosion resulted from increasing digital footprint complexity straining teams, coinciding precisely with improved tooling for version control and front-end frameworks that made enforcing consistency technically feasible at scale.

Why did the term 'design system' become ubiquitous around the mid-2010s?
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