How Zuckerberg Planned to Rebut Questions About Facebook Breakup

Facebook Inc.’s Mark Zuckerberg was prepared to cite competition with China if asked whether the social-media giant should be broken up, according to a photograph of internal notes the chief executive officer took to a congressional hearing on Tuesday.

An aide to Mark Zuckerberg closes a binder of notes left on the table.

Photographer: Andrew Harnik/AP Photo

“Break Up FB? U.S. tech companies key asset for America; break up strengthens Chinese companies,” the document read, according to a picture published by the Associated Press.

Zuckerberg was speaking during the first of two days of testimony to Congress, after a data leak sparked the worst crisis in the company’s history. During a break, he left his ...