A lot of people like to think of creativity and innovation as something that springs from the void, but the truth is that everything is traceable to its origins.
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.. you will rarely find me touting anything as a "first", because I could always say it is "sort of like this thing over here, but with the principle demonstrated by this over there added to allow it to give the feature we wanted back then" and so on.
There are the occasional "eureka!" moments, but they tend to be in twitchy little technical things, not the larger ideas like "3D environment" or "multiplayer gaming". [...]