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Welcome back to Review Week. This week, we look at the effects of the TikTok ban in the US, including “TikTok refugees” moving to the Chinese app RedNote, the rise of English speakers learning Mandarin on Duolingo, and more! Let’s get into it.
The Supreme Court upheld the law that will be Effectively ban TikTok tomorrow. The decision marks the end of TikTok’s months-long legal battle against a law that essentially forced the app to shut down unless it divested its US operations. From Sunday, it will be illegal for app stores and internet hosting services to distribute TikTok. The company warned that the app would “go dark” on Sunday, but it’s unclear exactly what will happen if the ban goes into effect.
American users are flocking to RedNoteA Chinese short-form video app Also known as Xiaohongshu, it made it the No. 1 free app in the US App Store. RedNote hits many of the right notes for creators looking for a TikTok alternative: it has a layout that’s similar to Pinterest, is generally considered China’s answer to Instagram, and boasts several social shopping features. But the passage It was not easy for some people.
TikTok users using Duolingo A growing number of them took RedNote to learn Chinese before the TikTok ban. Duolingo said it saw the app An increase of about 216% among new Mandarin learners In the U.S., compared to this time last year, with a sharp spike as adoption of RedNote stopped in mid-January.
This is TechCrunch’s week in review, where we summarize the biggest news of the week. Want it delivered as a newsletter to your inbox every Saturday? Sign up here.

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