He admits that he works long hours to get that productivity though[0]. He&#x27;s probably 10x better than many who would work the same hours as him, but I&#x27;d be willing to bet if he limited himself to 40 hours a week he wouldn&#x27;t still be 10x better. (Not trying to make any judgements either way, just an observation &amp; prediction.)<p>0 - <a href="https:&#x2F;&#x2F;twitter.com&#x2F;ID_AA_Carmack&#x2F;status&#x2F;684475417726595072" rel="nofollow">https:&#x2F;&#x2F;twitter.com&#x2F;ID_AA_Carmack&#x2F;status&#x2F;684475417726595072</a>