So I'm Jewish, and there's a set of people who deny that the Holocaust happened.
If something is deemed to be fake, he said, it might remain on the site but it would be pushed down in the news feed so fewer people would see it.
"I do think it's fair to say that we were probably... we were too focused on just the positives and not focused enough on some of the negatives".
He went on to compare conspiracy theories to people who simply misspeak.
Two people bitten in possible shark attacks off Fire Island
The other attack occurred in the neighboring town of Brookhaven, in the waters off Sailors Haven Beach, an Islip spokesman said. The boy "stumbled out of the water" into a lifeguard tent, where the lifeguard dressed puncture wounds, officials said.
"Sometimes countries may have laws on the books - this is certainly true in the United States, I can say as an American lawyer - that are really out of date with how that culture thinks about speech, that are no longer enforced".
His comments drew immediate condemnation on social media, in the press, and among civil rights activists. "Facebook has a moral and ethical obligation not to allow its dissemination".
Jonathan Greenblatt, the national director of the Anti-Defamation League, challenged Facebook's policy on holocaust denialism. "I think that the alternative, frankly, is going to be the Chinese companies".
His remarks on that matter attracted backlash that resulted in the CEO later issuing a statement to the site to clarify his words.
He said that messages accusing victims of the Sandy Hook school shooting of being liars would be taken down for harassment, but added that not all factually incorrect posts would receive the same treatment.
Meghan Markle's Dad Says She Looks 'Terrified'
Thomas Markle is yet to meet his son-in-law, Prince Harry , having missed the wedding. "It's not easy. Meghan Markle's daddy woes are far, far from over.
Mr Zuckerberg said: "Let's take this closer to home".
"Reducing the distribution of misinformation-rather than removing it outright-strikes the right balance between free expression and a safe and authentic community", Facebook said in a statement. The company said that in coming months it will change its policies to allow the social network to remove certain types of misinformation that contribute to physical harm.
The rest of the podcast saw Zuckerberg clarify that Facebook does not sell data, discuss the site's current ban in China and explain what he calls his "responsibility to build the things that give people a voice and help people connect".
When asked about evidence that has surfaced regarding Russia's interference in the 2016 U.S. presidential election, Zuckerberg stated that Facebook has identified Russian hacking group APT28 trying traditional methods like "phishing people's accounts" in the middle of 2015 and notified the Federal Bureau of Investigation.
The new tactic being spread through the global social network was tested in Sri Lanka, which was recently rocked by inter-religious over false information posted on the world's leading online social network.
Husband and wife's trapeze act goes horribly wrong on 'America's Got Talent'
Concerned husband Tyce was lowered to the ground where he gave his wife a kiss of of condolence as the audience cheered. The two spun and flipped in the air, until a blindfolded Tyce was hanging upside down with Mary on top of him.