I've written about the fantastically good Everything is a Remix series before and I'm days late with pointing out that part 4 is live.
That said; this post is still worth putting together because Everything is a Remix 4 is perhaps the most important chapter in the series for digital marketers.
This video looks at social evolution in the context of IP - and what's gone wrong with the system. If you want to understand why Google is buying companies just to get hold of their patents then this is the video for you.
There's a risk that that sounds dull. Trust me; the video isn't. It'll hold your attention.