I'm on StackExchange, yes. I've also posted to forums that cover my field expertise where I (at least used to) answer a lot a questions. Honestly I don't know

I'm on StackExchange, yes. I've also posted to forums that cover my field expertise where I (at least used to) answer a lot a questions. Honestly I don't know how people find me. I just state my opinions often on the topics I care about. And at least some of the time people respond favorably to those opinions.