Hacker News on 28 May 2012

• Redactor - javascript (jQuery) WYSIWYG editor
• It's 2012, HTML5 is awesome, and I'm surfing a PDF
• Gunshot detection system transforms and raises issues
• Buying Adobe Photoshop CS6
• Elon Musk entrepreneurship lecture.
• Flame: Massive cyber-attack discovered, researchers say
• All you need is e-mail, e-mail. E-mail is all you need.
• The Open Goldberg Variations
• Apple rejected Flattr… and it’s not the end
• Self-driving Volvos cover 200km of busy Spanish motorway