Twitter. Look for people that aren't trying to bamboozle you with wishywashy arguments or anyone who tries to make things sound too simple or are sales-y.

Best is to follow people who are speaking in precise technical details where you're not the audience. A bit like software engineers talking to each other: speaking in precise technical terms, assuming a reasonable amount of background knowledge. AKA professionals

Then do your own work to clue yourself up on the nomenclature and basics