Instagram has made a small but useful change in its app that notifies you when your friends are line.
It now shows a green dot next to profile picture of your friends who are online. It shows this green dot in your friend list, and DM section. So, you know what friends are available to talk.
Also see: How to make money on Instagram?
Instagram has given an option to hide your own status and turn off the ability to see when your friends are active. You can change these options in your settings
The new status indicator is now available to everyone. If you cannot see this, update your app now.

