This study was conducted to test the relationship of social media usage on students' academic grades. This research was conducted using a meta-analysis. It specifically regarding the correlation between social media usage and academic grade. This study aims to conclude, integrate, and interpret data collected from previous research. The data used in this research must be the same construction and correlation patterns so that it can be compared between the results with another research. The quantitative review included 13 studies out of 10 articles containing a combined sample of about 4523. The analysis was carried out by correcting sampling and measurement errors. The analysis shows that social media users have a correlation with academic grade. The results showed the use of social media was identified as a predictor of academic grade.

The author interest to do this research to investigate the implication of freedom of expression for teenagers on social media in Indonesia. In term of freedom of expression is to express a positive expression on social media. Many teenagers use social media, and sometimes they have trouble in expressing their expression, and it will be a mockery and insulted. Thus, they are overwhelmed and stressed. This research discusses the issue of freedom of expression that can be instilled correctly in teenagers. There is 87 respondent which is distributed via questionnaire in Google Form between April and May 2018. This research uses the quantitative method, descriptive analysis, observation, and semi-structured qualitative method. The result of this research found that teenagers understand about freedom of expression and they can implement on social media. Freedom of expression is very important to be known and understood by teenagers in the real world and in cyberspace. Moreover, this research is proved that teenagers understand the freedom of expression on social media in Indonesia.