Method for transmitting message, method for selling message box and computer-readable recording medium having program recorded thereon

A method of transmitting a message from a user terminal, the method comprising:

• obtaining an image using a camera embedded in a user terminal;
• receiving a transmission command of a message as an input from a user of the user terminal;
• applying a message box moving to a receiver to the obtained image based on the transmission command of the message, and outputting the image to which the message box is applied;
• and
• transmitting the message to the receiver.

A method of selling a message box, the method comprising:

• receiving, by a selling server, a request for sales information of at least one message box from a user terminal, wherein the message box is an item embodying a message transmission medium and to be displayed on a screen of the user terminal as an augmented reality-based virtual object;
• reading out, by the selling server, the sales information of the at least one message box and transmitting the read sales information to the user terminal;
• performing, by the selling server, a billing process for any one of the at least one message box of which the sales information is transmitted, in response to a request for purchase of the one of the at least one message box transmitted from the user terminal;
• and
• transmitting the one of the at least one message box for which the billing process is completed from the selling server to the user terminal.