On Instagram, a green dot signifies that a user is currently active. This indicator appears as a small, solid green circle next to their profile picture in various locations, such as the Direct Message inbox or the user list when sharing a post. Its presence suggests the individual is likely browsing the app and available to respond to messages promptly.
This visual cue provides a quick and simple way to gauge a contacts real-time availability. Its utility lies in streamlining communication, as users can make informed decisions about when to send a message if they anticipate a swift reply. The feature reflects a broader trend in social media towards emphasizing immediacy and enhancing the user experience through subtle, informative indicators.