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The advantages of using an IT based communication

System is that you can speak to people easier and

Faster, and you don’t have to pay for postage.

Some disadvantages of using an IT based  

Communication system is that if you don’t have

Internet connection you cant use it ,also you have to

Buy a phone or a laptop or something that can

Get on the internet so you can use it.

Some threats from this though is that people could

Get bullied really badly and get a lot of abuse,also

People could start to stalk people and lie about there

Age to speak to them, also random people could get

Peoples personal information.A disadvantage would also
be that you will get alot of spam.Also another 
disadvantage would be that people could start to 
cyber bully people,and people can get really scared by
it.Also it gets alot easier for people to start copying other
people's work,and music and images.Also people can put 
stuff on the internet about other people that they wouldn't want
 anyone else to know or see.And if the school has stuff on the 
internet that is private to the school people could hack into
it and see all of it and they could change stuff on the site.People 
could also hack into peoples bank accounts and find out their credit card
details,also people could change the meanings on dictionaries or 
imitate other peoples work.