Hacker News on 21 April 2010

• McAfee quarantines svchost.exe on millions of WinXP machines worldwide
• Most Digital Photocopiers Save Every Page Ever Scanned
• Cause of YC/HN outage discovered
• HTML5 Game Engine
• Short Studies On Excuses
• Why I Hate Adobe
• WhiteHouse.gov Releases Open Source Code
• 4.2.2.2: The story behind a DNS legend
• So You'd Like to Send Some Email (Through Code)
• The centuries-old struggle to play in tune