"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.

The changes came after the app’s Chinese parent company spun out an American entity to run TikTok in the United States.

Users on Threads warned others to leave TikTok, with one saying: "I did not feel it was wise, nor safe for me to keep it." ...