nostr:npub17nd4yu9anyd3004pumgrtazaacujjxwzj36thtqsxskjy0r5urgqf6950x that does sound like Orkut.
Communities for everything.
Amongst the brazilians some examples of communities created were: "I wanted ice cream, but it was frozen beans" ( ice cream package for the avatar)", "I hate waking up early " (Garfield, the cat, was the avatar for the community), "Dear mathematics".