Hacker News on 22 September 2017

• Relicensing React, Jest, Flow, and Immutable.js
• How I got to 200 productive hours a month
• New antibody attacks 99% of HIV strains
• Uber London loses licence to operate
• Godot Engine – Free and open-source 2D and 3D game engine
• Portugal treats addiction as a disease, not a crime
• Ask HN: Sell my startup for $14M because I can't raise $2M?
• Super-Accurate GPS Chips Coming to Smartphones in 2018
• How Logos are Remembered
• Freight startup Flexport soars from ‘unsexy’ to $800M valuation