Hacker News on 23 August 2012

• Show HN - We just built a site that saves lives
• Microsoft gets a new logo for the first time since 1987
• The White House just open sourced their first Github repo
• How Hacker News Completely Changed My Life
• A Faster Facebook for iOS
• John Carmack discusses the art and science of software engineering
• Black Widow
• Why you should not be displaying relative dates.
• Twitter cuts off “find friends” access to Tumblr
• The innovations of Internet Explorer