Fixing serverless node.js (by adding servers?)

Summary

The main theme is Vercel's new serverless concurrency feature for Node.js, which is a significant update that addresses limitations and puts pressure on competitors like AWS to innovate. Key subjects include serverless computing, Node.js internals, and the importance of concurrency management. The practical takeaway is that this feature can drive down costs and improve performance, and tools like Unkey are essential for managing API access and security within serverless environments.