During a career planning class, Brenda Fabian asked how many students use Facebook, a popular online networking community for college students. Almost everyone in the room raised a hand."Then I asked how many knew that employers are reviewing Facebook for hiring purposes,"says Fabian,director for Center for Career Services at Susquehanna University."No hands were raised, and their faces revealed the students' surprise." Although some parents do keep track of their teen's online activities,most teenagers don't realize that websites may be monitored by schools,prospective  employers or anyone else who might be interested in the teenager's lifestyle not just today but anytime in the future. Most of us don't realize that the information that gets posted on the Internet may be deleted,but it doesn't disappear permanently."The stuff is there forever,"says Jamie Riehle,director of Web Publishing at Lycos."It is backed up   on servers and doesn't go away." As company recruiters,college admission officers,law enforcement personnel and parents become more Web savvy  ,it becomes even more vital for teenagers to be cautious when posting any information on their websites. Even though sites that are private can be seen only by a preselected list of friends,there are companies that,for a fee,can dig deeper into cyberspace  and find anything. Even government officials who thought that deleting email would exonerate(......) them from wrongdoing are discovering that,on the Web,there is no such thing as private or gone forever. Steven Rothenberg,president and founder of College-Recruiter.com,suggests that teenagers think of their Web posts as tattoos . "Inherently ,there is nothing wrong with them if they are private,"he says."But if they are visible or offensive, it can affect the way others see you." Steven Rothenberg believes that   _  .
teenagers should not be allowed to post anything online teenagers should keep their information private online teenagers should be cautious about their posts online teenagers should be monitored online