I recently added a new feedback widget to this site – Feedback.one – and I’m impressed enough with it that I thought it deserved its own post. Beyond being a useful tool, it’s also an excellent example of how functional programming languages like Elm can shine in production environments. What is Feedback.one? Link to heading At its core, Feedback.one is a simple but powerful tool that adds a non-intrusive feedback button to your website. With one line of code, you get: