The book wraps up with a look at the legal effects--both positive and negative--of open source/free software licensing.

Although open content licenses only account for a fraction of all copyright licenses currently enforced in the world, their introduction has had profound effect

"I have studied Rosen's book in detail and am impressed with its scope and content. I strongly recommend it to anybody interested in the current controversies s

This practical and explanatory guide for library and cultural heritage professionals introduces and explains the use of open licences for content, data and meta