This document summarizes AOL's migration from managing their own data centers to using AWS cloud services. It discusses how AOL moved to a DevOps model with a focus on culture, automation, measurement, and sharing. Key points include establishing an agile culture that prioritized teamwork and initiative over tools. Automation replaced manual processes to improve flexibility and speed. Monitoring metrics helped optimize performance without guesswork. Sharing data across teams removed silos and empowered self-sufficiency. Migrating infrastructure to AWS' cloud improved scalability while reducing costs and hardware management burdens.