Thank you, I will sign up and explore more, I'm very interested because I feel the social responsibility to leave some legacy, I can educate 100 people before I

Thank you, I will sign up and explore more, I'm very interested because I feel the social responsibility to leave some legacy, I can educate 100 people before I retire as professional software developer. RE: exactly, what you call the student metadata metrics and ways to detect who/what/when to reinforce.