The icon depicting a person with a plus sign on Instagram signifies the option to either follow another user or to add someone to a close friends list. When located on a user’s profile, it prompts the action of following that account. Conversely, if it appears next to a user’s name within your “Close Friends” list settings, it allows for the inclusion of that individual in your exclusive circle.
This feature enhances user experience by providing nuanced control over content visibility. Following a user establishes a one-way connection where the follower sees the followed account’s public posts and stories. Utilizing the “Close Friends” list grants the ability to share more personal content with a select group, fostering a sense of community and privacy. This evolved from a simple follow/unfollow dynamic to cater to diverse social interaction preferences.