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Yesterday, MNB took note of a Semafor story saying that "TikTok quietly entered the United States e-commerce market this week, where it will compete with Amazon and other retail giants during the coming holiday shopping season."

Later in the day, however, CNBC reported that "Federal Bureau of Investigation Director Christopher Wray told lawmakers … that he is 'extremely concerned' about TikTok’s operations in the U.S.

"'We do have national security concerns at least from the FBI’s end about TikTok,' Wray told members of the House Homeland Security Committee in a hearing about worldwide threats. 'They include the possibility that the Chinese government could use it to control data collection on millions of users. Or control the recommendation algorithm, which could be used for influence operations if they so chose. Or to control software on millions of devices, which gives it opportunity to potentially technically compromise personal devices'."

According to CNBC, "Reporting from Forbes has cast doubt on the security of U.S. user information at TikTok. The outlet reported, for example, that TikTok’s parent company ByteDance planned to use the app to monitor specific location details of certain American citizens, citing materials it reviewed. TikTok pushed back on the report, denying that it had ever tracked certain U.S. citizens with their specific locations and slamming Forbes for publishing the allegations.

"Wray said that any details about TikTok’s actions would have to be discussed in a classified briefing. But he assured lawmakers that 'it is certainly something that’s on our radar and we share your concerns'."