Facebook can also reduce job opportunities. Many college students do not consider Facebook to be an important tool associated with career decisions. But as we all know, most people put all their personal information in their profile, so obviously, it's an easy way to access your personal information. According to research published in the Washington Post, most employers use Facebook to pre-screen college students, looking for possible reasons not to hire the candidate. An employer said he would refuse to hire a college student who posted a provocative photo or made references to alcohol or drugs