Setting up your profile
Photo, roots, languages and what other people see.
Open Settings > Profile to add a photo, a cover image, a short bio, your city, your roots (where you or your family are from) and the languages you speak.
Everything except your name and username is optional. Sharing your roots and languages helps people with similar backgrounds find you, but only share what you are comfortable with.
Keep up with someone to see their profile posts in your feed. They're told, but nobody else can see who keeps up with whom, and there are no counts, so there is nothing to compete over.