Watch the video here:
or link here to get to the cnbc page: http://www.cnbc.com/id/15840232/?video=1752879649
or here (if at school): http://10.0.8.32:2170/eyetv/#_100
You must be at school in order to view it.
The worksheet that goes with the video is here: The Facebook Obsession Questions (docx) you need Microsoft Office 2007/08 or later or google docs.