their brand and completely without risk. After all, in our industry there is no clear definition of what open really means . It is a Rashomon [http://en.wikipedia.org/wiki/Rashomon_effect] -like term: highly subjective and vitally important . Jonathan Rosenberg, "The meaning of open" [http://googleblog.blogspot.com/2009/12/meaning-of-open.html] , Official Google Blog , 2009 D. Mahendran: Openness