Hacker News on 15 July 2015

• The Icy Mountains of Pluto
• Potato paradox
• 1.5 TB of Dark Net Market scrapes
• Thanks Pivotal, Hello Redis Labs
• Keybase raises $10.8M
• New Horizons phones home
• Vim's 400 line function to wait for keyboard input
• The New York Times uses WebRTC to gather local IP addresses
• The anatomy of a credit card form
• Three Dead Protocols