I've heard this advice summed up as "make yourself a beacon". i.e. just start talking in a public square. If you talk long enough, you'll find people who want

I've heard this advice summed up as "make yourself a beacon". i.e. just start talking in a public square. If you talk long enough, you'll find people who want to talk about the same thing, and they'll introduce you to their friends. IME it works pretty well, and with the internet, it's never been easier.