Arduino Code Editor was designed to simplify and streamline the setup and development process. The editor runs within your browser and is hosted on AWS.
You can write and modify your code, save it to the cloud and optionally share it with your colleagues and/or friends. The editor can also detect your board (using a small native plugin) and configure itself accordingly; it even makes sure that you can only write code using libraries that are compatible with your board. All of your code is compiled in the cloud and then downloaded to your board for execution.