Community Micro Transactions
I love listening to Gabe simply because he is honest with his insights. Sort of like JohnC where he talks about his ideas at Quakecon.
The thing that stuck out in my mind was what he said about the economy of hats and how the community can make more content and no developer should compete with it, infact embrace it!
After the locals at QuakeOne chased me out of town for giving brutal honest feedback and telling me I am childish I stumbled across this article and it made me laugh, especially the bit about feedback.
http://www.gamasutra.com/view/news/185987/How_to_make_the_move_from_game_developer_to_game_designer.php
However, talent will never be enough; one should actively develop one�s design skills, and there is only one true way to do that � implementing a design and then listening to user feedback.
Designers need to be humble listeners, not persuasive orators.
I think that applies to all creative types in the games industry, people who don't accept feedback are fooling themselves if they think their vision cannot be improved with suggestions.