What we have already are fundamentals. Bitcoin is money, Nostr is social, Jobs is livelihood. So I ask what are similar fundamentals?
~energy - sourcing, production and use of energy ~economy - tracking the living web of activity formed by the subjects of the other subs
As much as I'm fond of what's above and their aesthetic, I believe the best way to grow is to build tools that get SN toward thousands of subs. Reddit is a good model whereas SN can take advantage of sat superpowers.