To follow your friends on Action Network, go to the Follow tab and click the Search icon in the top right corner. Type in your friend's name or username. Then, click the green 'Follow' button. Please note, your friend must have the Incognito mode disabled to appear in search results.
You can also invite your friends to Action Network. Scroll to the bottom of the Follow tab and choose Invite Friends. This will open your Share options on your device to send the link to your friends. You must have Incognito mode off to share your profile.