What has been communicated in one direction so far is being two-way. The smart era has now passed and the fourth industrial revolution has arrived. It was the Fourth Industrial Revolution that the age of artificial intelligence came. The change is invisible, but it is certainly happening. The government is taking a policy stance because it has a large effect on us. Many places are trying to use information technology. In addition to the political aspects, we often use Internet shopping these days from an economic standpoint. However, the professor stresses that we will be in the position of the seller who builds and sells the homepage rather than the buyer's. In addition, all information takes place beyond the time and spatial constraints, making it increasingly global. One example of this is the Korean Wave, which should be continued by utilizing the website and international sense.

A society comes where robots can replace everything.

Information characteristics include arsenic non-political, arsenic maternal, non-transmitting, and cumulative effectiveness.

Because of these characteristics, information is no longer expensive and can be continuously supplied.