I wrote a column on Nu Zakelijk for my employer: Logica. It's a combination of the Paradox of Choice (prof. Barry Schwartz)
and the Power of Free (Dan Ariely).
Both are very interesting concepts and linked to previous pieces I wrote on the greatest ISP in the world and why all telecom marketings and product management is messed up. Here is the Google Translation for those of you who think Dutch reads and sounds like a form of Klingon.