[MUSIC] It's clear now that we didn't do enough to prevent these tools from being used for harm as well. And that goes for fake news, foreign interference in elections, and hate speech, as well as developers and data privacy. We didn't take a broad enough view of our responsibility, and that was a big mistake. It was my mistake, and I'm sorry. I started Facebook, I run it, and I'm responsible for what happens here. And what I've learned this year is that We need to take a broader view of our responsibility. It's not enough to just build powerful tools. We need to make sure that they are used for good, and we will. It's also become clear over the last couple years that we haven't done enough to prevent these tools from being used for harm as well. And that goes for fake news, foreign interference in elections, and developers misusing people's information. We didn't take a broad enough view of our responsibility and that was a mistake. And I'm sorry for it.