Twitter started testing Circle earlier this month with a limited group, and now it looks like it’s starting to roll out to more users (via Android Police). The feature works a lot like Instagram’s Close Friends, as it allows users to send out tweets to a specific group of people rather than all of Twitter.
To check if you have access to Twitter Circle, update your Twitter app or head to Twitter in a web browser. When you start composing a tweet, you’ll see a dropdown menu at the top that reads Everyone. From here, you can choose Twitter Circle to limit your tweet to a select audience, or you can hit Edit to add or remove people from your Circle. Twitter won’t notify users if you add or remove them.