Books Impressions of “Beneath a Surface: The Inside Story of How Microsoft Overcame a $900 Write-down to Become the Hero of the PC Industry,” by Brad Sams December 29, 2018August 18, 20202 Comments on Impressions of “Beneath a Surface: The Inside Story of How Microsoft Overcame a $900 Write-down to Become the Hero of the PC Industry,” by Brad Sams