Updated at 2:41 p.m. ET
The Trump administration is banning Americans from downloading popular video-sharing app TikTok and limiting the use of WeChat because of national security concerns, the Commerce Department announced on Friday.
As of midnight on Sunday, TikTok will also not be able to receive system updates, which could affect its functionality, including slowing down the app, but the app's current version will still work for American users. Over time, however, TikTok may stop working altogether.