AWS in 2025: The Stuff You Think You Know That's Now Wrong

Overview
The post examines the rapid evolution of Amazon Web Services over its twenty-year history, pointing out outdated assumptions and new capabilities that leaders must understand to make informed decisions.

Key Takeaways

• Many long-standing AWS practices are now sub-optimal or deprecated.
• Staying current on service changes drives cost efficiency, security, and performance.
• Technical leaders should regularly revisit architecture decisions as the platform evolves.

Who Would Benefit

• Technical leaders shaping cloud strategy.
• Engineering managers overseeing AWS-based teams.
• DevOps engineers responsible for infrastructure and operations.

Frameworks and Methodologies

• AWS Well-Architected Framework.
• Continuous learning and architecture review processes.