We can easily handle big data as computer capacity grows.

Now, The virtual world has opened.

It is now THE FOURTH INDUSTRIAL ERA beyond the age of information.

Today, things are connected and affected.

Although no change is seen, but it is certainly happening.

The government is taking a great deal of policy into account to promote information services.

Technology products are made by korea in hotels.

information infrastructure is one of National competitiveness.

We have to not think to buy products but think to sale products.

Everything is connected so that it naturally becomes a global society.

We have to know characteristics of information to understand information.

First, information is non-consumption.

Second, information can copy and cannot distinguish the original with reproduction.

Third, information has cumulative effects.

Fourth, information is non-transferable.