lambda

Its worth noting that in a Hacker News discussion of the new service, one programmer who has had early access to the service indicated it does take some time to get up to speed on this service, but once you do, he can see the potential here for transforming the way programmers use AWS.

Lambda will take care of managing, scaling and monitoring for you. Milliseconds after an event is triggered, it’s processed through stateless cloud functions, and thousands of these events can run in parallel (and you aren’t limited in any way by resources).

As Vogels pointed out Lamda is designed to follow basic programming principles of function (business logic), data (business states) and interactions that are driven by events that interact between the business logic and data it operates on. Lambda also operates on these basic programming principles.