Nowadays, a very popular term is SNS. We often see it in various media. It is the abbreviation of the name of a type of site, namely Social Net Service (social network service). Their characteristic is fully embracing the concept of Web 2.0, with interaction between people as the foundation. Individuals within the website are connected through various interests or certain habits, making the netizens within the SNS feel as if they are living in a real society, where anyone can be interconnected in intricate ways.