http://www.youtube.com/embed/NZcxcXMZ-60

http://www.youtube.com/embed/2rnNHt84iRE

http://scientificera.com/internet/50-internet/348-top-worst-disadvantages-of-facebook.html

http://biusset14.blogspot.com/2012/04/disadvantage-of-facebook.html

http://science.opposingviews.com/disadvantages-facebook-3355.html

No Books reffered