Hacker News on 4 April 2015

• Get your own USB PID
• The truth about the Bitcoin Foundation
• IPFS is a new peer-to-peer hypermedia protocol
• If a Caller Says, 'I Am with the IRS,' He's Not
• Obama signs executive order allowing government to seize hackers assets
• Some thoughts after (almost) a year of real Xamarin use
• Mono 4.0.0 Release Notes
• Migrating from Heroku to AWS using Docker
• Printers Which Do or Do Not Display Tracking Dots
• The lack of HTTPS at Amazon: identifying items purchased via information leakage