diff --git a/README.md b/README.md
index 0ad2c70..ecd1e3d 100644
--- a/README.md
+++ b/README.md
@@ -800,8 +800,7 @@ An updated and organized reading list for illustrating the patterns of scalable,
 	* [GUI Testing Powered by Deep Learning at eBay](https://www.ebayinc.com/stories/blogs/tech/gui-testing-powered-by-deep-learning/)
 	* [Scaling Machine Learning to Recommend Driving Routes at Pivotal](http://engineering.pivotal.io/post/scaling-machine-learning-to-recommend-driving-routes/)
 	* [Real-Time Predictions at DoorDash](https://www.infoq.com/presentations/doordash-real-time-predictions)
-	* [Machine Intelligence at Dropbox](https://blogs.dropbox.com/tech/2018/09/machine-intelligence-at-dropbox-an-update-from-our-dbxi-team/)
-	* [Machine Learning for Indexing Text from Billions of Images at Dropbox](https://blogs.dropbox.com/tech/2018/10/using-machine-learning-to-index-text-from-billions-of-images/)
+	* [Machine Learning for Indexing Text from Billions of Images at Dropbox](https://dropbox.tech/machine-learning/using-machine-learning-to-index-text-from-billions-of-images)
 	* [Modeling User Journeys via Semantic Embeddings at Etsy](https://codeascraft.com/2018/07/12/modeling-user-journey-via-semantic-embeddings/)
 	* [Automated Fake Account Detection at LinkedIn](https://engineering.linkedin.com/blog/2018/09/automated-fake-account-detection-at-linkedin)
 	* [Building Knowledge Graph at Airbnb](https://medium.com/airbnb-engineering/contextualizing-airbnb-by-building-knowledge-graph-b7077e268d5a)
@@ -955,7 +954,6 @@ An updated and organized reading list for illustrating the patterns of scalable,
 * [High Performance Packet Processing Platform at Alibaba - Haiyong Wang, Senior Director at Alibaba](https://www.youtube.com/watch?v=wzsxJqeVIhY&list=PLMu8-hpCxIVENuAue7bd0eCAglLGY_8AW&index=7)
 * [Solving Large-scale Data Center and Cloud Interconnection Problems -  Ihab Tarazi, CTO at Equinix](https://atscaleconference.com/videos/solving-large-scale-data-center-and-cloud-interconnection-problems/)
 * [Scaling Dropbox - Kevin Modzelewski, Back-end Engineer at Dropbox](https://www.youtube.com/watch?v=PE4gwstWhmc)
-* [Scaling Reliability at Dropbox - Sat Kriya Khalsa, SRE at Dropbox](https://www.youtube.com/watch?v=IhGWOaD5BYQ)
 * [Scaling with Performance at Facebook - Bill Jia, VP of Infrastructure at Facebook](https://atscaleconference.com/videos/performance-scale-2018-opening-remarks/)
 * [Scaling Live Videos to a Billion Users at Facebook - Sachin Kulkarni, Director of Engineering at Facebook](https://www.youtube.com/watch?v=IO4teCbHvZw)
 * [Scaling Infrastructure at Instagram - Lisa Guo, Instagram Engineering](https://www.youtube.com/watch?v=hnpzNAPiC0E)