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Amazon Web Services' big Re:Invent conference in Las Vegas brought a plethora of new features and upgrades to its cloud platform. But there was one key set of upgrades that set the stage for Amazon's expansion outside its own public cloud data centers.
Two years ago, AWS CEO Andy Jassy made a big splash at Re:Invent when he introduced Lambda, a service that lets developers write snippets of code that execute in response to event triggers. Amazon does the work to provision servers to run that code, so developers don't have to think about the infrastructure overhead.