In case you weren't able to see the live keynotes, here are the recap of all the announcements made during the last 2 days (follow the links to get all the details)

Day 1

Official daily recap, day 1

• QuickSight (BI tool, in preview)
• Kinesis Firehose (better stream+security)
• AWS Snowball (for Fedex-bandwidth data import)
• AWS Inspector (security audit-like)
• Amazon RDS for MariaDB
• AWS Database Migration Service (make it easier to move your schema to aws)
• Amazon Elasticsearch Service
• Amazon EC2 Dedicated Hosts
• ... (other stuff)

Day 2

Official daily recap, day 2

• AWS IoT
• AWS Mobile Hub
• Amazon EC2 Container Registry
• Amazon EC2 Container Service (cli, compose)
• Lambda (lot of new features)
• Amazon CloudWatch Dashboards
• ...