Device and method of providing social network service with click

A mobile device comprising:

• a memory in which at least one program is stored;
• at least one communicator configured to exchange data with an external device and a server;
• and
• a processor configured to provide content about the external device by executing the at least one program,
• wherein the at least one program comprises instructions to perform:
• receiving an identifier regarding the external device and an identifier regarding a user input that is input to the external device from the external device;
• transmitting the identifier regarding the external device and the identifier regarding the user input to the server;
• receiving content about the external device and the user input from the server, based on the identifier regarding the external device and the identifier regarding the user input;
• and
• displaying the received content on a screen.