Today the Internet is very important. Itwas created in 1980 by the USA army.
On the hand one advantage is you can look for all things, comunication with your friends abroad, you can play videogames.
One the one hand one disvantage is, it is dangerous, they can steal your identity and your information. Other people can see your photos.
In my conclusion the Internet is very safe it helps me to study, it is very important for my life. I think that the internet is very useful, it helps for the world.