argues against it in a public setting. he s more likely to really aggressively go against it or challenge the source or to challenge the assumptions to honestly not believe the bad news. reporter: facebook is in transition and many employees have left over the company s direction including instagram. and should zuckerberg, the ceo and chairman manned jort shareholder of facebook step aside. chairman and majority shareholder of facebook step aside. that s not the plan. reporter: would anything change that? eventually over time. i m not going to be doing this forever. reporter: many employees you met on the show have left, including alex stamos now teaching future entrepreneurs at stanford university. doing better means doing things like this, bringing people together to think about these problems early and not just be reactive. having a real diverse set of