Is it good or bad to use the Internet?

I don't imagine my life without the Internet.I use the Internet 1-3 hours a day!First of all,the Internet helps us find an information easily.And it helps me in the school because sometimes teachers ask us to find it!Also I can read a new book on the Internet.It is very convinient !And i can print some pages of this book.Also,I can use the Internet for entertainment.Sometimes I send e-mails to friends.Also i have registered on the Facebook and Twitter.I like being on them!There are many stars and I always read their news!Also I use Skype to talk with my friends online!Also i have my own English blog on the Internet!I love it so much!I can listen to music and watch different videos on the Internet.I can download my favorite songs and films!This is very easy too!I think that Internet is important in my life!It helps me with speaking with my schoolmates out of school!I think that Internet has not any disadvantages.