Sites to spy on friends

I was just reading this article that talks about different sites that make it easier to find personal details about people, including their birthdates, personal pages, value of their homes, and campaign donations. It's kind of interesting - and scary!

Vauhini Vara (2008, May 13). New Sites Make It Easier To Spy on Your Friends. Wall Street Journal. Retrieved from http://online.wsj.com on May 13, 2008, D1.