Notes brought to a Senate hearing by Facebook CEO Mark Zuckerberg Mark Elliot ZuckerbergHillicon Valley: FBI, DHS warn that foreign hackers will likely spread disinformation around election results | Social media platforms put muscle into National Voter Registration Day | Trump to meet with Republican state officials on tech liability shield Facebook to 'restrict the circulation of content' if chaos results from election: report 2.5 million US users register to vote using Facebook, Instagram, Messenger MORE on Tuesday reportedly suggested that he anticipated lawmakers to ask whether he planned to resign from the company amid questions about its handling of users' data.

The notes, captured in a photo by The Associated Press, acknowledge that Facebook has made mistakes in its handling of users' personal information, but would solve the problem.

They also make reference to Apple CEO Tim Cook, according to the AP. One point notes that there are "lots of stories about apps misusing Apple data, never seen Apple notify people."

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The notes were captured on camera while Zuckerberg was testifying before senators about the controversy surrounding Cambridge Analytica, a consulting firm that used Facebook to harvest data on tens of millions of the website's users.

The firm, which had ties to President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE's presidential campaign, used that data to create voter profiles to better target advertisements on Facebook.

The revelation that Cambridge Analytica accessed the data of so many users has prompted intense criticism of Facebook and how it handles the troves of information it keeps on its users.