Alongside what the other guy said, Opera definitely does have search engine deals, idk about brave since they launched their own. But brave has their own private advertising system

Damn bro, you didn’t have to roast yourself that hard

Samsung supposedly uses it for tizen

Oh much simpler, I just make a post with my blog as a link, and supply that link to my site and it shows the comments from that link. As I said, not actually federated. It’s basically a sort of frontend.

Not at the moment, since that would require parsing the markdown