Mark Zuckerberg says he wants open source to win the "ideological battle" between open and closed tech systems.

Meta CEO Mark Zuckerberg arrives to testify before a Senate Judiciary Committee hearing on Wednesday, Jan. 31, 2024, on Capitol Hill in Washington to discuss child safety. (AP Photo/Manuel Balce ...

Leading the way is the nonprofit Congressional Institute, which is run by veteran Republican staffers and funded by $3 million in annual dues from private interest groups.

Donald Trump has warned that Mark Zuckerberg will “spend the rest ... It blocked Trump following the Jan 6 riots at Capitol Hill, before reinstating his account two years later.

Leading the way is the nonprofit Congressional Institute, which is run by veteran Republican staffers and funded by $3 million in annual dues from private interest groups.

FILE - Facebook CEO Mark Zuckerberg testifies before a joint hearing of the Commerce and Judiciary Committees on Capitol Hill in Washington, April 10, 2018. (AP Photo/Alex Brandon, File ...

FILE - Facebook CEO Mark Zuckerberg testifies before a joint hearing of the Commerce and Judiciary Committees on Capitol Hill in Washington, April 10, 2018. Mark Zuckerberg, chief executive ...

Donald Trump has warned that Mark Zuckerberg will “spend the rest of his life ... It blocked Trump following the Jan 6 riots at Capitol Hill, before reinstating his account two years later. Facebook ...

Meta CEO and Facebook founder Mark Zuckerberg seemed to express regret ... of the Federal Government Subcommittee on Capitol Hill in Washington, DC, Feb. 09, 2023. Chip Somodevilla/Getty Images ...