7 takeaways from Mark Zuckerberg's long discussion at Harvard about Facebook

Mark Zuckerberg has a lot on his mind, and he's ready to go off-script... sort of.
The Facebook CEO returned to his alma mater Wednesday to discuss Facebook and the numerous issues facing the platform. Zuckerberg joined the head of Harvard Law's Berkman Klein Center for internet and society, Jonathan Zittrain, for the chat. 
The talk was the first of several that Zuckerberg plans to host, making good on his 2019 personal challenge "to host a series of public discussions about the future of