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@@ -8,6 +8,7 @@ This repository contains resources to learn System Design concepts and prepare f
 
 ## System Design Fundamentals
 
+- [Scalability](https://newsletter.ashishps.com/p/scalability)
 - [Horizontal vs Vertical Scaling](https://www.spiceworks.com/tech/cloud/articles/horizontal-vs-vertical-cloud-scaling/)
 - [Content Delivery Network (CDN)](https://www.cloudflare.com/learning/cdn/what-is-a-cdn/)
 - [Caching](https://medium.com/must-know-computer-science/system-design-caching-acbd1b02ca01)