On April 10th, 2020 Instagram launched Instagram Messaging on desktop (referred to in this post simply as “Messaging”) for personal computers. We believe that this feature will enhance everyday experiences and allow new use cases for all of our desktop web users. In this post, we will find out some of its overall learnings from desktop users and dive into the engineering and experimentation that enabled Instagram to ship this product. We believe that these learnings could be applied to other services to enhance your experiences across all of your interfaces. Keep reading to deeply understand this very new feature.