Source Categories:
1. Books = 6
“A squirrel dying”: David Kirkpatrick, The Facebook Effect: The inside Story of the Company That Is Connecting the World. (New York: Simon & Schuster, 2010), 296

2. Blogs = 9
“Personalized search for everyone”: Google Blog, Dec. 4, 2009, accessed Dec. 19, 2010, http://googleblogspot.blogspot.com/2009/12/personalized-search-for-everyone.html

3. Interviews= 5
”the cost is information about you”: Chris Palmer, phone interview with author, Dec 10, 2010.

4. Articles
a. web =14
Wall Street Journal study: Julia Angwin, “The Web’s New Gold Mine: Your Secrets,” Wall Street Journal, July 30, 2010, accessed Dec. 19, 2010, http://online.wsj.com/article/SB10001424052748703940904575395073512989404.html

b. Print =3
site installs 223 tracking cookies: Angwin, “The World’s New Gold Mine,” July 30,2010.