Using the App

I don’t want chat notifications, how do I disable them?

I don’t receive notifications for the chat, how do I enable notifications?

How do I invite friends to the app?

How do I reply to a message in the chat?

How do I comment in the chat?

How do I view the leaderboard?

Where do I view my progress?

What can I expect my training progression to be like?

Do the videos have closed captions?

How do I join a new program after completing the first program?