 I don't even know them. How can I trust that the images that they're showing, the description that they put on is true? Right, right. And so eBay pioneered really, or at least they're the most famous example of early company that started like, hey, you know, one way we can do this is through a rating system. So I may take a chance and buy a product with somebody I don't know. And if they send me what they said, I'm going to give them a five-star rating.