Hacker News on 3 July 2013

• Doug Engelbart has died
• Lockdown
• Bolivia to file UN complaint over airspace blockade
• U.S. Postal Service Logging All Mail for Law Enforcement
• Restore the Fourth
• MasterCard breaks ranks in WikiLeaks blockade
• Nginx just became the most used web server among the top 1000 websites
• An Open Letter to Craig Newmark
• Uncovering Android Master Key That Makes 99% of Devices Vulnerable
• Mastercard and Visa Start Banning VPN Providers