Trump’s proposal exerted pressure on the entire tech ecosystem that makes TikTok available to U.S. users, including app store operators and service providers like Oracle which hosts its servers.

President-elect Donald Trump rode to TikTok’s rescue on Sunday, working on the eve of his new presidency to try to undo a ban effort that he helped initiate during his first term.The popular social-media app started restoring service on Sunday for its 170 million U.

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.