https://www.reuters.com/article/us-usa-tiktok-bytedance/u-s-set-to-unveil-crackdown-on-chinas-bytedance-over-tiktok-sources-idUSKCN24W2PN >The United States is preparing to take action against China's ByteDance over concerns that the company's ownership of the video app TikTok jeopardizes personal data, according to people familiar with the matter.