User presence at scale
At its most simple, user presence represents a user’s online or offline status and is typically used to show whether a user is available, for example, on a chat system. Here are some other examples of where it’s used: Presence is a key feature of live apps and services and a primary element of the user experience in audience engagement. It is a great way to build a sense of immediacy between participants; knowing who else is online builds a sense of inclusion and interaction.