If you recognize your doppelganger, it's probably because you have an interest in the same topics. Your opinions and your posting style may be different—or even

If you recognize your doppelganger, it's probably because you have an interest in the same topics. Your opinions and your posting style may be different—or even opposite—but from a certain perspective, you have more in common with each other than most. I'm skeptical that this tool does a good job of identifying semantic meaning of a comment, but I bet it gets the topic right.