Answer the questions: why the internet is so popular nowadays? why the internet can be dangerous? what do you use the internet for?

Nowadays internet is very popular because there you have a lot of possibilities such as communicating with people who are far away from you or listening to music. Also you can study and watch videos.
But internet can be dangerous too. For instance, some people find there "friends" but when they meet them, they face the troubles.
I usually use the internet for education and communicating with my friends.