Universal Search System at Pinterest

README.md

@@ -123,7 +123,7 @@ An updated and organized reading list for illustrating the patterns of scalable,
 	* [Microservice Architecture at Medium](https://medium.engineering/microservice-architecture-at-medium-9c33805eb74f)
 	* [From bare-metal to Kubernetes at Betabrand](https://boxunix.com/post/bare_metal_to_kube/)
 	* [Kubernetes at Tinder](https://medium.com/tinder-engineering/tinders-move-to-kubernetes-cda2a6372f44)
-	* [Kubernetes platform at Pinterest](https://medium.com/pinterest-engineering/building-a-kubernetes-platform-at-pinterest-fb3d9571c948)
+	* [Kubernetes Platform at Pinterest](https://medium.com/pinterest-engineering/building-a-kubernetes-platform-at-pinterest-fb3d9571c948)
 * [Distributed Caching](https://www.wix.engineering/single-post/scaling-to-100m-to-cache-or-not-to-cache)
 	* [Read-Through, Write-Through, Write-Behind, and Refresh-Ahead Caching](https://docs.oracle.com/cd/E15357_01/coh.360/e15723/cache_rtwtwbra.htm#COHDG5177)
 	* [Eviction Policy and Expiration Policy](http://highscalability.com/blog/2016/1/25/design-of-a-modern-cache.html)
@@ -292,6 +292,7 @@ An updated and organized reading list for illustrating the patterns of scalable,
 * [Distributed Searching](http://nwds.cs.washington.edu/files/nwds/pdf/Distributed-WR.pdf)
 	* [Search Architecture of Instagram](https://instagram-engineering.com/search-architecture-eeb34a936d3a)
 	* [Search Architecture of eBay](http://www.cs.otago.ac.nz/homepages/andrew/papers/2017-8.pdf)
+	* [Universal Search System at Pinterest](https://medium.com/pinterest-engineering/building-a-universal-search-system-for-pinterest-e4cb03a898d4)
 	* [Improving Search Engine Efficiency by over 25% at eBay](https://www.ebayinc.com/stories/blogs/tech/making-e-commerce-search-faster/)	
 	* [Indexing and Querying Telemetry Logs with Lucene at Palantir](https://medium.com/palantir/indexing-and-querying-telemetry-logs-with-lucene-234c5ce3e5f3)
 	* [Search Federation Architecture at LinkedIn (2018)](https://engineering.linkedin.com/blog/2018/03/search-federation-architecture-at-linkedin)