Hacker News stories for 3 AM on Tuesday Apr 30, 2013

0.573 African Bus Routes Redrawn Using Cell-Phone Data comments

0.427 Everything Is Rigged: The Biggest Price-Fixing Scandal Ever, by Matt Taibbi comments

0.321 FED Refuses to Submit to an Audit of Germany’s Gold Held in U.S. Vaults comments

0.068 AMD’s “heterogeneous Uniform Memory Access” coming this year in Kaveri comments