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Yep, I agree. JLG is absolutely right about the execution vs. the open or closed argument.
However, Martin Hedberg seemed to loose track of the conversation and thus neglected to ask JLC about what he considers the next big thing in OS development.
It would have been quite interesting to hear what JLC considers the sortcommings of todays' OSes from a technical point of view as seen from the user/consumer, rather than the focus on entrepreneurship and what defines a succesful product.