My 1940’s grandma spends more time on tt than yt, like whole evenings. And her brother’s ex too. They don’t spend money on it either and tbh I don’t know what their interaction with it looks like. But “for teens” is a common misconception. I’ve had a few 25..40-ish coworkers who were scrolling it as well.
There are sponsored posts dispersed through your feed.
Writing this, I've realized that TikTok hasn't made the terms for it's posts/feed obvious. Twitter has Tweets/Timeline, Facebook has Feed, I don't know what I would say to describe a post from TikTok outside of calling the video itself a 'TikTok'