How TikTok grew from a fun app for teens into a potential national security threat

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FILE - A TikTok sign is displayed on their building in Culver City, Calif., March 11, 2024. If it feels like TikTok has been around forever, that's probably because it has, at least if you're measuring via internet time. What's now in question is whether it will be around much longer and if so, in what form. (AP Photo/Damian Dovarganes, File) SAN FRANCISCO – If it feels like TikTok has been around forever, that's probably because it has, at least if you're measuring via internet time. What's now in question is whether it will be around much longer and, if...