I believe it’s called Red Book.
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The top 3 apps in the store are TikTok replacement.
I don’t think the Chinese ones will take off mainly because American are gonna learn Mandarin (though funnily enough Duo Lingo saw an uptick in mandarin since Red Book moved up the chart).
Eventually an American alternative will surface (we are still pretty good at developing software in this country) and everyone will migrate over there.
All of this is just projection and noise. Let’s see were this all sits 6 months from now and if the band goes into place (and the company isn’t sold) by this time next year TikTok will be an afterthought.