Good question!
The best sources of reliable information are:
1. The Free Speech Coalition:
https://www.freespeechcoalition.com. It's definitely worth being on their mailing list.
2. XBiz is much more of an industry-promotion organization, but their newsletters can at least alert you to things:
https://www.xbiz.comThe social media situation is in flux right now. X-formerly-Twitter is falling apart, and it's almost not worth wading into now. No other social media system has replaced it for adult yet, either because of lack of critical mass of customers+producers, or because of active porn bans.