Hacker News on 14 June 2019

• Game Builder: Create 3D games with friends, no experience required
• Advice on Getting Better from an Accomplished Piano Player (2011)
• My Personal Journey from MIT to GPL
• Show HN: Enviro+ for Raspberry Pi – Environmental sensors
• Show HN: Slim – Build and run tiny VMs from Dockerfiles
• Retail stores use Bluetooth beacons to track customers
• Why people confess to crimes they didn’t commit
• Luna – A WYSIWYG language for data processing
• I got asked LeetCode questions for a dev-ops systems engineering job today
• Observable’s Not JavaScript