Secondly; there are many online contents that could be found on the internet including blog or online forum and most of them are great. People can learn many things from those online contents; however, there are several offensive contents among those good contents. According to Chen et al (n.d.), there are many blogs that contain offensive or illegal contents such as pornography and a number of teenagers got verbal abuse or embarrassment online. Therefore; they should keep in mind that they have to use social media properly and politely and not to make other people to be ashamed.