... know the note The argument was started One Facebook, many people fake someone else They fake the famous person, or someone they hate They make them like the really Facebook of person whom they ... questions, firstly, we designed the questionnaire with purposes study about the state of using Facebook among Vietnamese teenagers, the advantages as well as the disadvantages of Facebook on Vietnamese ... b The most often activities Vietnamese teenagers when using Facebook The influences of Facebook on Vietnamese teenagers b The bad influences: .11 III Conclusion ...