The Storage of Internet, Amazon S3, just turned 8. Designed to be highly reliable, extremely scalable, low-latency data storage service, unarguably it's the perfect data storage solutions to many WWW giants.
Amazon Web Services recently launched their next generation SSD based I2 instances which provide highest IOPS as compared to any other EC2 instance and recommends these for high performance NOSQL databases.
The RunInstances API, which allows its users to launch instances using an AMI. Now gives even fine control over the resources like AMI, Subnets and others with introduction of resource-level permissions.