The looming TikTok ban presents a multibillion-dollar headache for app store operators Apple and Google – as well as other Big Tech giants like Microsoft and Amazon that count its Chinese parent company ByteDance as a business partner.

Ahead of the expected TikTok ban in the U.S., creators on the app posted heartfelt goodbyes to their fans. The Supreme Court on Friday ruled unanimously to uphold the law requiring a forced sale or ban of TikTok.

While TikTok remains hugely popular in Brazil, Indonesia and other markets, its 170 million users in the United States are its most valuable.

The news comes as a law banning TikTok, which is owned by Chinese firm ByteDance, is set to go into effect on Jan. 19.

Under the law, mobile app stores and internet hosting services will face major fines if they continue to distribute the platform to U.S. users beyond

TikTok, owned by ByteDance, is on the verge of being banned in the United States. The thing is, the government could go after other ByteDance apps, and there are quite a few of them operating in the U.

TikTok said its services will go dark on Sunday unless the Biden Administration gives a definitive statement providing assurances for Apple, Google and other service providers. “Unless the Biden Administration immediately provides a definitive statement to satisfy the most critical service providers assuring non-enforcement,

The Supreme Court rejected TikTok's appeal to halt a law banning the app in the U.S. unless Chinese parent ByteDance sells its stake by Jan. 19.

The Supreme Court seemed to lean Thursday toward upholding a law forcing Chinese parent company ByteDance to sell off TikTok, with all nine justices indicating national security concerns posed by the social media app outweighed potential threats to free speech.

The Supreme Court unanimously chose to uphold the TikTok ban-or-sell legislation. Here's what that means for the app and its U.S. users.

A lawyer for TikTok content creators on Friday urged the White House and the Justice Department to clarify to Apple and Google that they can continue to offer the TikTok short-video app in app stores on Sunday when a legal ban is set to take effect.

The company said late Friday that it will go dark in the United States on Sunday unless President Joe Biden's administration provides assurances to companies like Apple and Google that they will not face enforcement actions when a ban takes effect.