Hacker News on 20 March 2015

• Replacing Photoshop with NSString
• I Am Sam Altman, President of Y Combinator. AMA
• All Major Browsers Fall at Pwn2Own Day Two
• Make Money Online: Documenting 10 Years of Failure
• Curl, 17 years old today
• Ever wondered how device drivers are reverse engineered?
• Why Does the International Space Station Have That Shape?
• Important Allies Join the Fight Against NSA Internet Backbone Surveillance
• HippyVM goes to Y Combinator and fails
• HTML6 proposal for single-page apps without JavaScript