I don't understand what problem(s) the "anonymity" solves within the context setting by this app? I think it certainly improves user experience by removing the

I don't understand what problem(s) the "anonymity" solves within the context setting by this app? I think it certainly improves user experience by removing the boring registration process (if it's the definition of the anonymity), but it's hardly a selling point, or core of a product.