Hacker News stories for 6 AM on Friday May 17, 2013

0.667 Psychological Pitfalls And Lessons of A Designer-Founder comments

0.583 US Uses Special 301 To Bully Ukraine, Likely Violating WTO comments

0.540 Hangouts are swallowing all other Google communication clients comments

0.467 OpenGL 101 - Textures (with shaders) comments

0.457 Ragebooter: ‘Legit’ DDoS Service, or Fed Backdoor? comments

0.417 Poll: is your startup profitable? comments

0.310 Linux Mint 15 Most Ambitious Release Ever comments

0.091 Tell HN: Why I have left Samsung comments