I wonder why this haven't been posted here, since it's a pretty interesting talk. Ok it's actually not directly game-dev related but still quite worth the watch. Especially when he starts to talk about User-created content distribution. [ame=" http://www.youtube.com/watch?v=t8QEOBgLBQU"]Gabe Newell: Reflections of a Video…
I would suggest looking up GDC talks on YouTube, specifically, "killer portfolio or portfolio killer" talks. They can be a very helpful listen for you.
I didn't say that :) I was talking about the rRMB addon. And @musashidan was talking about setting the origin to a selection without using the cursor as an intermediate step.