Hacker News on 19 February 2016

• Graphing when your Facebook friends are awake
• How Google’s Web Crawler Bypasses Paywalls
• Beijing is banning all foreign media from publishing online in China
• Harper Lee has died
• The Daily Mail Stole My Visualization Twice
• Why Apple Is Right to Challenge an Order to Help the F.B.I
• The IPv6 Numeric IP Format Is a Usability Problem
• Secret Memo Details U.S.’s Broader Strategy to Crack Phones
• An introduction to IPFS
• New Python REST API and CLI micro-framework