To follow someone from within a room:
- Tap on their avatar.
- Tap the "Follow" button within the profile view.
To follow someone from Search:
- Tap on in the upper right corner of the screen.
- Enter the person's username or name.
- Scroll to the People results section.
- Tap "Follow" to the right of the person's name.
To follow back someone who's recently followed you:
- Tap in the upper right corner of your device to view any missed activity.
- If someone recently followed you, choose whether you'd like to "Follow Back" or "Ignore."