With the advent of Wi-Fi technology, information is easily available.

The world is changing rapidly after going through the electronic era, the information age, the ubiquitous age, and the smart era.

Now is the fourth industrial revolution beyond the smart era.

As the importance of the information society is stressed, the government is directly targeting the information society in both legal and institutional terms.

Information society development is being accelerated by the government's policy support.

In particular, efforts have been made to construct an information infrastructure, expand the Internet network, and enhance the information service mind of the people.

In the future, the information infrastructure will determine the competitiveness of cities, regions and countries.

Electronic commerce will be at the core of the economy, moving away from the traditional mode of production and distribution trading in the economic sector.

Information is a meaningful message used for making decisions or actions by individuals or organizations.

Every product is worn out and lost, and the more information it uses, the higher its value is produced.

As information is accumulated, it increases its value and effectiveness.