AWS has a powerful tool which uses AWS’s global network to accelerate access to EC2 instances, databases and other resources collectively referred to as endpoints. Suppose I deploy a website in the Virginia region, a request to that website must do the DNS walk through a chain of routers that are independent of AWS’s backbone. This involves a lot of hopping especially when you’re far way from that sites location.
With Global Accelerator, instead of hitting each router, you are directed to AWS’s closest edge location, which then takes over the routing. Yes, the request will still follow a similar set of hops but it will happen inside the AWS backbone. 
Why do I highlight this one service in AWS. Simply because it is very simple to setup and can significantly reduce latency for users geographically distant to the endpoint. Nice work AWS !
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