Nice session on how Amazon.com has migrated several different types of workloads to AWS:
1. Rehost - Amazon.com web site : Details on an existing workload migrated to AWS. 'Classic' web site migration of web application to AWS.
2. Rearchitecture - Database migration : Migrating application data to AWS from a traditional data store to AWS is way to reduce costs. This use cases uses an Information Lifecycle approach to moving data off of a live production databases to S3.
3. Replace - Application replacement : Deprecation of an order system, and implementing the new order system on AWS.
4. Green field : Using AWS for development of a new video service used internally at Amazon.
The video goes into details on how AWS can reduce costs, improve development productivity, enable elastic infrastructure, increase scalability, and improve high availability.