Cyber space is an electronic medium used to form a global computer network to facilitate online communication. It is a virtual computer world. It exists in office, sailing boat, flying plane etc. It is also referred to as the Internet. It allows user to share information, interact, play games and conduct business.

The modes by which cyber space will expand the contemporary economic and social space of humans are:

*e-mail: e-mail stands for electronic mail. It is a method of exchanging messages between people using electronics. It is fast, no other forms of communication are as fast as an email. Simple and formal languages used in email. It provides a private communication gateway between you and anyone else all over the world. This allows more frequent communication at a lower price than the telephone.

*e-commerce: e-commerce is the process of buying and selling products by electronic means such as internet or by mobile applications. The customer can order the product of their own choice and get it delivered to their home. It is a way of doing business online.

*e-learning: e-learning is simple. It is the use of technology to enable to learn anytime and anywhere. It reduces time away from the workplace, eliminates the need for travel, and removes the need for classroom based training.

*e-governance: e-commerce stands for electronic governance. It is the use of information technology to improve the delivery of government services to citizens. It also play very important role in technical education field.