Hacker News stories for 8 AM on Tuesday Aug 21, 2012

0.966 Even faster: loading half a billion rows in MySQL revisited comments

0.959 Udacity Cancels Free Online Math Course, Citing Low Quality comments

0.685 Stewart Brand Wants to Revive Extinct Species (Interview w/ Kevin Kelly) comments

0.375 Scalable Marketing Techniques and Tactics comments

0.266 We are not github and that’s perfectly fine comments