Yeah, I know. Throwback! But people still do use RSS feed readers (like myself)
I whish someone would refer to me a detailed guide to using rss and discovering content.
Regarding using RSS, Inoreader is my favorite recommendation. Here’s a blog post explaining how to get started: https://www.inoreader.com/blog/2022/01/inoreader-tutorial.html
Regarding discovering content - RSS is more about finding something you’re interested in and then adding the RSS feed to your reader. It’s pretty manual rather than fed by an algorithm. You’ll find some good content tips in this thread.
I second this hard, I’d use RSS if i had any idea how, or what content was out there