[...] The economy is not based on knowledge as such (although society itself is), but on the exploitation of knowledge. With the digital revolution [...] codified knowledge (databases, software) becomes information-goods and public knowledge. Economic models which since industrial capitalism have been based on the sale of them are in serious crisis: digitisation has drastically downgraded the old implementation of intellectual property rights, while the advantages gained in the field of codified knowledge are lasting for less and less time. [...]