Stephenson wrote an essay titled "Why I Am a Bad Correspondent." At the core of his explanation for his inaccessibility is the following decision: The productivity equation is a non-linear one, in other words. This accounts for why I am a bad correspondent and why I very rarely accept speaking engagements. If I organize my life in such a way that I get lots of long, consecutive, uninterrupted time-chunks, I can write novels. But as those chunks get separated and fragmented, my productivity as a novelist drops spectacularly.
( Cal Newport )
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