A TikTok ban is set to take effect on Sunday, January 19th, following the Supreme Court's rejection of an appeal. The court unanimously dismissed TikTok's First Amendment challenge, citing concerns over national security. While acknowledging the platform's widespread use and role in expression, the justices emphasized TikTok's scale, susceptibility to foreign control, and the vast amount of sensitive data it collects as justification for the ban. The ruling states that divestiture is necessary to address national security concerns regarding data collection and the platform's relationship with a foreign adversary.

Without political intervention, TikTok will be unavailable in the U.S. starting Sunday. White House Press Secretary Karine Jean-Pierre stated President Biden's preference is for TikTok to remain available under American ownership. However, implementation of the ban will fall to the incoming Trump administration, sworn in on Monday.
The Supreme Court's decision acknowledges TikTok's importance to its users but prioritizes national security concerns. Despite President Trump's previous opposition to a ban and his reported discussions with Chairman Xi Jinping, the ban remains in effect unless an executive order from the Trump administration delays enforcement for 60-90 days. Reports suggest a potential sale to a Western buyer is being explored, with Elon Musk possibly acting as an intermediary.
In response to the impending ban, many TikTok users have migrated to the similar Chinese app, Red Note (Xiaohongshu), with reports indicating over 700,000 new users in just two days.
The future of TikTok in the U.S. hinges on a sale to a new owner or cessation of operations, unless further executive action intervenes.