Hacker News stories for 12 PM on Sunday Jul 29, 2012

0.861 Tips and tricks with emacslisp for fun and profit comments

0.780 Peter Thiel’s startup class notes in PDF comments

0.753 The Innumeracy of Intellectuals (2008) comments

0.749 When Craigslist Blocks Innovations comments

0.413 Integrations: Simple Marketing for Developers comments

0.375 Why procrastination is good for you comments

0.311 “Critical mass” vs “network effects” comments