I'd say most of us do not have this kind of focus. He actually has two focuses: strategic focus and tactical focus. Strategic focus means that he devotes a good

I'd say most of us do not have this kind of focus. He actually has two focuses: strategic focus and tactical focus. Strategic focus means that he devotes a good part of his life into building a virtual world and concentrates on rendering algorithms. Tactical focus means that he can work 10+ hours daily for every day for a large part of his life. Most of us would be lucky to get a quarter of those two focuses.