Yeah, Robinhood is mentioned quite a bit on his site, including a sign up referral link. Seems like their referral program gives you $10 for each signup.
Also he says if it hits $25K, then the game is over. So it's only $25K at real risk, not $50K. (True, the stocks could fall further before he liquidates.)
Also he says if it hits $25K, then the game is over. So it's only $25K at real risk, not $50K. (True, the stocks could fall further before he liquidates.)