internet: blessing vs curse

Internet is very important for this modern world. It is very useful. In the present period, most of the work is done easily by internet. It is the best way to communicate but it has many many side affects too. It is blessing in one way and a curse in another way.
BLESSING:
It is very useful. By internet, we can get much information about everything present in the world. We can communicate from one part of the world to another in nearly one min. We can send mails to people living in other countries. It improves our knowledge too.
CURSE:
Internet is a curse for us too like if we will be constantly using internet it can affect our health too. The games on internet make the children not study. There are some sites on internet which are not very good and can give a very bad effect on us.