The following excerpt is part of the longer essay »Free Property — On Social Criticism in the Form of a Software Licence« (PDF). It criticizes the wide-spread distinction between »natural« property of material and »artificial« restriction of immaterial goods due to private property regimes. The omitted second part, which I do not find so insightful, is about free software licences. Here’s the excerpt:
Intangible goods are different …
Indeed, at least some people within the [open-source/free-software] movement do seem to be bothered about property, at least where it specifically affects digital goods. Indeed, in terms of what they actually are, physical goods and so-called “intangible” goods differ.