Internet is an Abreviation of Inter Connection Network is the biggest network in the world. there are many kind of the internet are Lan, Man and Wan. but is the biggest is Internet.

Internet has Many Users are Student,Lecture and many people in the world use internet.
There are some Social Network of the internet are Google,Yahoo,Facebook,Blog,Twitter and others.

Internet is very important for people because in the internet you will find many information that you want, some people use the internet for search information and some people use the internet for sale their product but other people use the internet for negative things.

so internet it's depend on you.