The document discusses updates to Amazon Web Services in London regarding improved storage performance options. It introduces provisioned IOPS for EBS volumes, which allows specifying input/output operations per second. It also covers EBS-optimized EC2 instances for dedicated throughput to EBS storage, and using provisioned IOPS with RDS. A new high I/O EC2 instance type is presented as well for workloads requiring high random I/O performance. Pricing and customer examples are provided for these different performance-optimized storage and compute options on AWS.