Not the OP, but I'd disagree. It's pretty easy to find the edge of what's been written about, even starting from "the feed" (but this works with pretty much an

Not the OP, but I'd disagree. It's pretty easy to find the edge of what's been written about, even starting from "the feed" (but this works with pretty much anything). Start with some topic that people are posting about, a book you are reading, or even just something you overhear. Pick a claim that's being made, and ask your self: where does this claim come from? is this true? how do they know this? Don't stop until you find a solid answer or the trail goes cold. Amazingly often, the trail goes cold, and you find no one has written anything definitive on the question you've been asking. This bubble we've created has disturbingly thin walls, and only our herd mentality is holding us back from popping our heads out.