ƯU điểm là :

- Easily connect and exchange with friends, relatives at home and abroad
- Update information quickly
- Is a useful tool
- An ideal place to do business, buy and sell
- As a means of education, fostering the soul

Today, we can easily grasp a lot of information from various sources on the internet and especially through social networks with fast transmission speeds. Social networking has become more popular and accessible to everyone especially for young people. The purpose of social networking is to create an Internet-based system that allows users to communicate and share information effectively, beyond the limits of geography and network benefits time.But society gives us a lot of positive impact and if we know how to use them in a reasonable manner. It can help us. But there are some harmful effects as computer intrusion experts, play games, watch movies graffiti, facebook chat, ...