Many of researchers have shown that social networking communities have a direct effect on reduced student concentrated in their class. According to Bloxham (2010), many students had poor grade because spent much of their time on social networking and have shorter attention spans. According to Cullen (2010), the negative result of education will appear if a student uses a lot of time at night on social networks. According to Dunn (2011), social media can reduce learning performance because a student can be distracted by social media like YouTube, Facebook or Twitter.