Abstract: “Social media is the most effective medium of communication bilaterally over online. Facebook is a platform of choice for a variety of purposes such as communication with family and friends, developing or establishing business and spreading the influence of ideology to attract more followers. Two-way communication in social media is able to effectively promote information sharing, but if the sharing involves non authentic or misinformation disseminated widely, it may create unhealthy situation and potentially threaten the public order. This quantitative content analysis study investigated the influence and relevance of information sources on the distribution of public opinion through the comments on each Facebook’s post studied using sentiment analysis API webtools. Through sentiment analysis software, sentiment for each comment on the selected Facebook sentiment polarity of the postings will be categorized into positive, negative and neutral sentiment. There were 4 parameters measured”

Keywords: Public Opinion, Viral Issues, Social Media, Media Surveillance, Viral Postings, Sentiment Analysis, API Webtools