It's both. Since most videos are a couple minutes long at most, and a TikTok doomscrolling session can last for hours, the algorithm can show you all the new vi

It's both. Since most videos are a couple minutes long at most, and a TikTok doomscrolling session can last for hours, the algorithm can show you all the new videos you haven't seen of accounts you seem to enjoy (or are following), and a ton of new stuff as well.