Today information technology is highly developed, it has a huge role in human life. which includes the beneficial changes and the changes in information technology hai.nganh development brings many benefits to humans. we can know all the news around the world thanks to television or newspapers online. we can call and where anyone can see their face when at great distances by calling the video. we can learn from discussions with people in the internet. Besides, this development also has some disadvantages. Personal information leaked out quickly some bad guys can take advantage of this. people living in the virtual world more real life and forget
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