The justices are expected to rule quickly in the case, which pits national security concerns about China against the First Amendment’s protection of free speech.
Meta’s chief executive has stepped away from his mea culpa approach to issues on his platforms and has told people that he wants to return to his original thinking on free speech.
Mr. Musk has fallen out with prominent right-wing Americans who say they are worried that their agenda may be sidelined in favor of his own — and that he is willing to silence them on X.
Meta’s chief executive has stepped away from his mea culpa approach to issues on his platforms and has told people that he wants to return to his original thinking on free speech.
The briefs, filed a week before oral arguments, offered sharply differing accounts of China’s influence over the site and the role of the First Amendment.
The president-elect took no position on the app’s First Amendment challenge to the law, which sets a Jan. 19 deadline to sell or close the popular platform.
Last year, the Shanghai government said Halloween celebrations were a sign of “cultural tolerance.” This year, the police rounded up people in costume.