Even if temporary, the unprecedented shutdown of TikTok is set to have a wide-ranging impact on U.S.-China relations, U.S. politics, the social media marketplace and millions of Americans.

Donald Trump pledged Sunday to delay enforcement of a national security law that threatened to ban TikTok, but it’s not clear that the app’s Chinese parent company has satisfied the requirements necessary to extend the deadline to find a possible buyer and avoid a permanent shutdown.