In the first place , what is "SNS"?
SNS is "Social Networking Service".
And the social networking service is a web site that advance and support in connect between people and the other people.
Making the membership registration , basically whoever can be connect with many people all over the world.
▲It is great advantage that can be connect with people all over the world.
The representative SNS are shown below, first there is "Facebook" it is the largest SNS in the world , and "Twitter" and "LINE".