Hacker News on 25 October 2012

• The Future of Markdown
• Jessica Livingston: What Goes Wrong
• Startup School 2012 Videos
• Followup to "I bought more than 1 million Facebook data entries for $5"
• Career Day - A parent introduces programming at her son's school
• Windows 8 Arrives
• Electronic demon costume is surprisingly unnerving
• BootMetro: Metro style web framework
• GitHub Game Off
• How We Got into Y Combinator