Late night host Trevor Noah on Wednesday teased Facebook founder and CEO Mark ZuckerbergMark ZuckerbergFacebook winding down cryptocurrency effort: report Can our nation afford higher interest rates with the current national debt? Hillicon Valley — States probe the tech giants MORE over a data scandal that has caused the social media giant's stock to plummet.

Noah joked that Zuckerberg, whose net worth has gone down nearly $9 billion since reports of the improper user data usage came to light, is now seeing ads for anti-anxiety medications on the site he started.

“Mark Zuckerberg is not having a good day. Things are so bad for him right now that Facebook is showing him ads for Xanax," Noah said on "The Daily Show." 

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The Facebook founder on Wednesday broke his silence on the Cambridge Analytica scandal, admitting that the company "made mistakes" in its dealings with the British data firm.

The firm, which was hired by President TrumpDonald TrumpMark Walker to stay in North Carolina Senate race Judge lays out schedule for Eastman to speed up records processing for Jan. 6 panel Michael Avenatti cross-examines Stormy Daniels in his own fraud trial MORE's 2016 campaign, violated Facebook's user agreement by using an in-app personality quiz to gain the information of participants and their friends, a total of nearly 50 million people that were then shown targeted ads as a result.

The revelations have led to a call for more regulations and increased scrutiny on Facebook from Capitol Hill. A number of lawmakers are demanding that Zuckerberg testify to Congress about the controversy.

Zuckerberg said his company is working with regulators toward preventing future violations of users' privacy.

“Actually, I’m not sure we shouldn’t be regulated,” Zuckerberg said in an interview Wednesday night on CNN.

“I actually think the question is more ‘what is the right regulation?’ rather than ‘yes or no, should it be regulated?’” Zuckerberg told CNN.