Since adopting Go in 2016, American Express has gained valuable insights into its performance, efficiency, and scalability. Key learnings include improved dependency management with Go Modules, the challenges of concurrency, the importance of training for idiomatic Go, the establishment of standardized frameworks, and fostering an internal community to enhance collaboration and innovation.

Turso has rewritten significant portions of their API using Go to enhance performance and maintainability. This transition aims to leverage Go's efficiency and concurrency features, ultimately improving the overall experience for developers and users alike. The blog post details the motivations behind this decision and the expected benefits.