Abnb didn't stay _only_ San Francisco.

Mommy bloggers was a ginormous market, with constant new entrants.

You would think Bitcoin talk would scale like mommy talk, as lots of people become new parents or buy Bitcoin for the first time, but most people prefer talking about their family life, than about their currency's emission rate.

We're more like Stack Overflow, in that regard, and SO is being crushed by AI. You don't need to interact with *people*, in order to find out about *things*, anymore. You can just ask ChatGPT, "How is the emission rate for Bitcoin calculated?"