Two points: 1. Yes, the "products" of the three industries (Films, Books, Music) with low(er) sales are transferable. But that has only become the case in the

Two points: 1. Yes, the "products" of the three industries (Films, Books, Music) with low(er) sales are transferable. But that has only become the case in the last 10-15 years. Prior to that it was harder (with movies and music: both being distributed on different media) or even impossible (books: being distributed on paper only; not counting audio-books) to separate content and media. Yet, over decades these industries have done everything to protect themselves. 2. If you try to copy the way some software works (by re-writing it) you can get sued. Damocles sword is always hanging above your head.