By Dan Frommer. From the 
archives.
Monday, April 16, 2012 at 9:38 am.
Why Facebook terrifies Google: It knows who you are
Because you tell it. And that’s why Google+ is so important for Google. My latest for ReadWriteWeb. (Worth it for the peek at Facebook’s amazing ad-targeting screen.)
Check out my new site: The New Consumer, a publication about how and why people spend their time and money.