The idea of “culture without property” seems just too radical and counter-intuitive for some folks to get (or they get it only too well, because it jeopardizes their established business model). But this is not actually such a radical vision. There are already all sorts of profit-making enterprises that are building business models around open, non-proprietary platforms. IBM’s embrace of GNU Linux, the open-source operating system, is one of many prominent examples. So is Flickr, the photo-sharing website.