Almost posted this to my 'random videos' topic, then realized, it's really deserving of it's own topic.
Try to find the time (10 min) -
Embrace the RemixFor those here who are time and/or bandwidth limited;
It explains how some of the best ideas, with mostly examples of music, come from previous work.
And explains how the US patent and copyright system, though stated at it's inception to 'promote', actually hinders/abuses creative works that are prior art.
Besides being a believer in Creative Commons, it also holds relevant here with the Ulysses community.
Most (all?) of Ulysses projects are Creative commons licensed, and as I've said in other posts, I love how many projects evolve here due to community input.