Hacker News on 27 May 2012

• Backdoor found in a China-made US military chip
• The THX Sound
• The Art Of The iOS Icon
• Stop Taking Yourself So Seriously
• How to Read Mathematics
• The Software Developer’s Guide to Fitness & Morning Productivity
• How WebSockets work vs polling/long polling/streaming
• Back That Gmail Up
• Save Time On Hacker News: Mark All Read
• Remind HN: If you want feedback, add an email to your profile