Hacker News on 4 October 2019

• Pricing niche products
• Making My Own Glasses
• Calibre 4.0
• Paypal Withdraws from Facebook's Libra Cryptocurrency
• Streamlit: Turn a Python script into an interactive data analysis tool
• Lab-made primordial soup yields RNA bases
• Apple approves previously rejected HKMap.live app
• Caddy Proposal: Permanently change all proprietary licensing to open source
• Political Operatives Faked Millions of Comments Against Net Nuetrality
• It's time to ban cars from Manhattan?