# Tag: Amazon

Posts tagged Amazon.

- [How Amazon Key Unlocks 100 Million Doors a Year](https://scaleengineer.com/blog/how-amazon-key-unlocks-100-million-doors-a-year)
  - Amazon Key lets drivers unlock gates for faster deliveries. From serverless to microservices, it now powers 100M+ secure unlocks yearly.
- [EP 43: How Amazon Personalizes Product Recommendations](https://scaleengineer.com/blog/how-amazon-personalizes-product-recommendations)
  - Amazon personalizes product recommendations using machine learning, collaborative filtering, and user interaction data to tailor suggestions based on individual preferences