alt Hacker NewsWe can just look at both's recent reports:
Reddit: 121 million "daily active unique users"
Source: https://investor.redditinc.com/news-events/news-releases/new...
Facebook: 3.58 billion "family daily active people"
Source: https://investor.atmeta.com/investor-news/press-release-deta...
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I'd definitely consider both "mainstream".
(I know plenty non-tech and "normal" people who use reddit.)
So like 30x the population (not thousands).
The thing about Reddit is it really amplifies voices. 10-100 people can be on the same subreddit and comment or post something, and it looks like “a lot” of people.
It’s also much easier to be a non-representative sample at 3% of the population than 50%. And, there’s a big sample bias for this sort of thing. I think someone is way more likely to post “I’m getting rid of X” versus “I don’t care and I’m keeping X”.