Popular TikTok accounts such as DuoLingo shared trade secrets before the app went dark in the US, while creators confessed to long-running inside jokes.

That One Sound is a column from internet culture reporter Charlotte Colombo that explores the origin of popular sounds heard on TikTok. On Jan. 17, the Supreme Court ruled that banning TikTok is not a violation of users’ First Amendment rights. This paved the way for that much-dreaded ban to come into effect from Jan. 19.

Duolingo shares have jumped this week, as the number of Americans learning Mandarin on the app has soared 216%. That's as China's RedNote is now the most downloaded free app on Apple's App Store ahead of the TikTok ban.

A roundup of the most shocking confessions that influencers like Charli D'Amelio, Meredith Duxbury, and Hayley Kalil made before TikTok's ban on Jan. 19.

"First of all, the Chinese are so nice, they're so sweet and so welcoming. They've over here teaching us Mandarin."

As the hours drew closer to TikTok going dark on Saturday night, many brands took the opportunity to share humor and truths.

The social media landscape experienced a dramatic shift last week when TikTok temporarily went dark in the U.S., hours ahead of its "divest or ban" deadline. While the platform's services have since been restored — reportedly thanks to intervention from President Trump — the 12-hour blackout has left an indelible mark on user trust and brand strategies.

Yes, the language-learning app has been the big winner amid TikTok’s impending demise and it’s mostly due to spite. According to the app, Duolingo has seen a 216 percent growth in users learning Mandarin Chinese over the last year, which is tied to the growing popularity of RedNote.

The language-learning app Duolingo has seen a surprising trend emerge, the closer we get to the TikTok ban -- there's been a 216% spike in US users learning Mandarin compared to this time last year.

An American influx to the social media app has shown people in both countries what every day life is like.

A recent ban on TikTok in the United States from Sunday to Monday sparked a significant shift in the app landscape. This temporary prohibition, stemming from a dispute between the U.S. government and TikTok’s parent company,