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@@ -367,13 +367,14 @@ A curated list of selected readings to illustrate Scalability, Availability, and
 * [Decreasing RAM Usage by 40% Using jemalloc with Python & Celery at Zapier](https://zapier.com/engineering/celery-python-jemalloc/)
 
 ## Others
+* [Architecture of Tripod (Flickr’s Backend)](https://yahooeng.tumblr.com/post/157200523046/introducing-tripod-flickrs-backend-refactored)
+* [Architecture of SurveyMonkey](https://engineering.surveymonkey.com/2016/04/09/the-architecture-behind-surveymonkey/)
 * [Distributed Cron Architecture at Quora](https://engineering.quora.com/Quoras-Distributed-Cron-Architecture)
 * [Simone: Distributed Simulation Service at Netflix](https://medium.com/netflix-techblog/https-medium-com-netflix-techblog-simone-a-distributed-simulation-service-b2c85131ca1b)
 * [Seagull: Distributed System that Helps Running > 20 Million Tests Per Day at Yelp](https://engineeringblog.yelp.com/2017/04/how-yelp-runs-millions-of-tests-every-day.html)
 * [Cloud Bouncer: Distributed Rate Limiting at Yahoo](https://yahooeng.tumblr.com/post/111288877956/cloud-bouncer-distributed-rate-limiting-at-yahoo)
 * [Scalable Gaming Patterns on AWS (Sep 2017)](https://d0.awsstatic.com/whitepapers/aws-scalable-gaming-patterns.pdf)
 * [Selecting a Cloud Provider at Etsy](https://codeascraft.com/2018/01/04/selecting-a-cloud-provider/)
-* [Architecture of Tripod (Flickr’s Backend)](https://yahooeng.tumblr.com/post/157200523046/introducing-tripod-flickrs-backend-refactored)
 * [Basic Infrastructure Patterns at Zenefits](https://engineering.zenefits.com/2016/02/basic-infrastructure-patterns/)
 * [Syscall Auditing at Scale at Slack](https://slack.engineering/syscall-auditing-at-scale-e6a3ca8ac1b8)
 * [Scaling Online Migrations at Stripe](https://stripe.com/blog/online-migrations)