Hacker News on 12 April 2016

• Leaving Beta, New Sponsors
• Tinker with a Neural Network in Your Browser
• Namecheap live chat social engineering leads to loss of 2 VPS
• A Visionary Project Aims for Alpha Centauri, a Star 4.37 Light-Years Away
• Calculus Learning Guide
• Velocipedia
• Steve Miller: The Whole Music Industry Is Fuckin' Gangsters and Crooks
• Uber says it gave U.S. agencies data on more than 12M users
• Goldman Sachs Finally Admits It Defrauded Investors During the Financial Crisis
• How to Make Pittsburgh a Startup Hub