Timestream
Timestream is a serverless database service for IoT and operational applications.
It is faster and cheaper than relational database and its core characteristic is that it keeps recent data in memory while moving historical data to a cost optimised storage tier.
DataExchange
DataExchange is a data marketplace where you can find, subscribe and use more than 3500 third party data sets (that you can consume directly into data lakes, applications, analytics and machine learning models).
Some of it benefits are streamlined data procurement and governance, better integration with AWS services and data security ( encryption and access management ).
Data Pipeline
Data Pipeline is a managed ETL service to process and move between AWS compute and storage services.