The Reality Of PR: Smile, Dial, Name Drop, Pray.
techcrunch.com
techcrunch.com
That being said, I personally believe that anyone who wants to talk about you should be given the opportunity to do so, especially if the cost is just sending an email or two.
We all know how successful Cuil is today after being mentioned on almost every major newspaper/magazine/blog in the world. http://siteanalytics.compete.com/cuil.com/