In this video, we're going to take a look at how Duolingo managed to reduce their aws bills through various methods. 

Timeline:
00:00:00 - Intro
00:00:19 - Observability
00:01:15 - Unused resources
00:05:09 - Reducing traffic 
00:06:15 - Built in optimization
00:07:50 - Key lessons 


Article: https://blog.duolingo.com/reducing-cloud-spending/

Credits:
- ICE part - https://www.youtube.com/watch?v=xYKdx3GJ-Mk

Music credit: - ♪ [non copyright music] Lofi Type Beat - Saturday Morning | aesthetic lofi music / Lofiru Link :    [![](https://www.gstatic.com/youtube/img/watch/yt_favicon.png) • [non copyright music] Lofi Type Beat ...](https://

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Duolingo, a popular language learning app, successfully reduced their AWS cloud costs by 20% through various methods. They utilized Cloud Zero for enhanced billing visibility, implemented lifecycle rules for S3 storage, established TTL rules for DynamoDB, optimized logging practices, rightsized resources, and addressed inefficient service interactions. Additionally, they leveraged AWS's in-built cost optimization features and better-managed reserved instances, leading to substantial savings.

How Duolingo Saved Millions in AWS Cloud Costs