"The alarm is a fair reaction," one privacy lawyer said.

The deal keeps the app available for more than 200 million U.S. users under new data, algorithm, and content safeguards.

Here's which companies and investors own TikTok, who owns Oracle, and what to know about the app's new terms and conditions.

TikTok has made changes to its terms and conditions, and privacy policies for U.S. users, which include expanding its ability ...