you know, human trafficking issue goes, the company says it is also working with the international organizations to sort of learn about how it can best handle this issue and educate people on its platforms who might fall victim. >> so facebook has to change, right? facebook has to change. congress, lawmakers, regulators, people inside facebook, consumers of facebook say it has to change. what does that look like? >> it's a good question. i think what these documents really show is that even when the company is made aware of its own problems, it can really struggle to fix them. and facebook has talked about how it spent $13 billion, it he's tens of thousands of people working on this issue. but what the whistleblower has said, it may not matter how much is already spent. what does it need to spend in order to address these issues. >> it's running ads saying it wants to have this conversation, and it wants -- or at least it's open to the idea that changes are needed. what are you hearing in terms of advertisers? folks outside are taking note of this. is this going to affect their