Auto-Reply is a feature intended to help users to Smiles they receive. It is flattering to receive a Smile from someone; however, it is often difficult to know what to do next. With Auto-Reply, a message will be automatically sent out to people who send users a Smile. This way users doesn't has to respond to the Smile yourself, and they can encourage those who Smile at they to send a more interesting, personalized message. Users can also select the option to not receive auto-replies.