i know it is actively being used. it is used by the universities while taking admission decisions, governments spying in people. for example, government in viet

i know it is actively being used. it is used by the universities while taking admission decisions, governments spying in people. for example, government in vietnam could fine people if found criticizing in social media. Potential employers stalking the social media accounts of the candidates. It freaked me out even more when more disturbing could be done by analyzing the posts.