Unhappy with his first draft of on the Road, Jack Kerouac stuck together 12ft reels of paper and typed flat out for 20 days to achieve the spontaneous composing technique he wanted.
If you read Walt Whitman, you will see much of the same ethos So, Ginsberg is not the first to do this in the American tradition, for sure, but it's a very important part of what the Beats revive.